The killing of a man who embezzled five million dollars of gold bullion prompts secret agent John Drake to investigate. He questions various people around Rome in an attempt to find the victim's girlfriend, whom he suspects will be his best lead, but no one seems to know just who or where she is. A clue on a painting finally leads him to a country residence. There, he discovers the stash of gold and the identity of the missing girlfriend. But it soon becomes apparent that others, including the murderer, are in search of the stolen loot and will do anything to get ...
When a professor is murdered in broad daylight, secret agent John Drake is enlisted to track down the assassin. He heads for a remote hunting lodge just over the Austrian border, where the suspect, Hans Vogeler, is known to visit. Things get complicated when he unwittingly finds himself handcuffed to a woman. He suspects her of being an enemy agent, but he has no choice but to bring her along while he stakes out the lodge. And though he had wished to take Vogeler alive, this unexpected restriction may require him to kill the assassin.
A foreign senator is murdered in the presence of his blind relative, Josetta. Rioting ensues due to a rumor that the American government was behind the killing, and secret agent John Drake is sent in. He quickly identifies the murderer with clues provided by Josetta. However, in order to get more positive proof, he needs the criminal to make an incriminating move. He concocts a plan to make the assassin believe Josetta can see in order to weaken his confidence and trick him into making a mistake.
John Drake visits the Arabian coast to investigate illegal slave trading. Disguised as a slave trader himself, his questions meet with strong resistance from both locals and an Englishman who seems intent on keeping him away. He believes that proof of the human trading will come from a Moukta who supposedly employs slaves in his diamond mine. Gaining the aid of a foreign woman in exchange for an offer of help, he sets out to locate the mine and gather the necessary evidence.
Baravian President Pablo Gomez and his wife Maria visit London. Their government suspects Baravian exiles may be plotting against them, and enlists John Drake to protect the couple. Drake soon gets word of a bomb that has been planted to go off. Most likely, the weapon is targeting the visiting dignitaries. Drake has their residence checked thoroughly and questions every exile about the plot, but when nothing turns up, not even the Gomez's are above suspicion.
President Varnold, the leader of a friendly country, is in critical condition after an assassination attempt. His location in a hospital is a secret. But when a young lady found wandering the countryside seems to know something of the hospital, John Drake suspects the president's life may again be in danger. Because of amnesia, the girl has little to offer at first. But as her memory slowly returns, the details of a deadly plot become more and more clear.
A corrupt Arabian government is selling opium directly to wholesalers, and secret agent John Drake hopes to halt their trade. He visits the country and strategically befriends Captain Aldrich, an Englishman and minor official at the Ministry of Health. Drake coaxes Aldrich into losing a large sum of money, then offers help in exchange for a list of opium buyers. Aldrich believes he is doing the right thing and helps Drake to the records. But while photographing the necessary information, Drake's camera is confiscated by the authorities.
Patrick Laurence, a wealthy, wheelchair-bound man, has access to top-secret documents. Therefore when his daughter goes missing, Drake fears the kidnappers are after more than just money. He meets with Laurence and discovers he is planning to meet the crooks' demands. Drake knows that giving them what they want will be no guarantee of the daughter's safety, and after persuading Laurence to let him help, disguises himself as the wealthy cripple for a visit to the criminal's hideout.
Liamond, a rebel jailed several years ago for a bombing incident, is being released and is on his way to a new job in Scotland. Secret agent John Drake suspects Liamond's future employer, Crawford, is up to no good, and takes his place as the new employee. Drake discovers that Crawford has been running a base for Irish rebels from what appears to be a highly-guarded bird sanctuary. Things go awry when Crawford announces an old friend of Liamond's will be arriving, and John Drake, fearing his cover will be blown, takes a drastic step to salvage the mission.
John Drake visits the tiny nation of San Pablo to investigate an apparent suicide. The victim, Winfield, was a US treasury representative with a reputation for spending lavishly on women and gambling. That reputation is debunked by, non other than, Winfield's wife, who also informs Drake that Winfield made mention of a big discovery just before disappearing. Drake is able to prove that Winfield was murdered and that the Minister of Police was complicit in his death. He takes his case to the Minister of Finance, only to discover that he too cannot be trusted.
Secret information has been leaking from the US embassy in Vienna. John Drake plants a fake document with one of two people who knew of the info, US agent Logan, who locks it away in a safe. When the planted info leaks out, Logan immediately becomes the prime suspect. However, it turns out that someone else has a duplicate key to the safe. Drake begins to suspect that things are not as they seem, and sets a trap for the traitor to lead him to the enemy contact.
The British suspect that "Nadia," a professor seeking asylum in their country, may be an impostor. John Drake is sent to rescue her sister out of a Slavosk jail in order to test her identity. After spending some time together, each woman denies the other is her sister. It's up to Drake to determine who is telling the truth, and who is the impostor.
After receiving a death sentence in a foreign country, American James Carpenter has spent the last five years seeking refuge in an American embassy. It is secret agent John Drake's task to get Carpenter safely out of the country. For his mission, Drake goes in search of a similar-looking man to Carpenter, and finds a perfect dead ringer in concert pianist Oscar Schumak. In order for his plan to succeed, he must convince the foreign authorities that Carpenter is really Schumak, and vice-versa; and furthermore, he must find a way to get them both safely out of the ...
John Drake trails a foreign agent to Kashmir, hoping to discover how he is passing secret information out of the country. He discovers the agent's contact to be a woman named Louise Goddard. After paying a visit to the mountain dwelling where she and her husband live, his cover is blown, forcing events to a head quickly. Due to a health condition of Louise's husband, bringing him down from the mountain could be deadly. Drake must decide the best way to proceed.
Colonel Rodriguez, the Chief of Police on an island nation, takes an American journalist into custody as a scapegoat for his country's problems. The journalist's wife is contacted about a letter that could incriminate Rodriguez and release her husband. John Drake sets out to get the evidence, but after several setbacks, he must bluff his way into securing the journalist's freedom.
Two professional assassins that John Drake is escorting to the United States force an airplane down on a desert island. Drake finds no sign of life until he meets with an old hermit. The two criminals have gotten to him first, however, and convinced him that Drake and the flight stewardess are the dangerous ones. Drake fears the hermit is in danger from the real criminals, and tries to find a way to get them back into his custody and off the island.
The British government are after a woman named Vanessa, wanted for alleged espionage. John Drake visits the foreign country where she is staying with friends and works out a plan to infiltrate her villa. However, his task becomes more difficult when he discovers that another agent working for the opposite side is also after Vanessa.
The death of a G.I. working on top secret projects prompts concern. Secret agent John Drake learns that the G.I. was killed shortly after seeing a German girl, and suspecting she may be behind his death, arranges a date with her. He comes under attack himself soon afterward. But Drake believes there may be more to this mystery and begins investigating a camera belonging to the dead G.I.
Drake investigates a rash of killings, all linked by the way in which the victims were killed. He suspects an organization specializing in murders is behind the deaths and makes contact with them. Following their instructions, he provides the name, date, and place of an imaginary "victim". Drake then takes one further step in hopes of snaring the criminals - he poses as the intended target.
While on his way to a vacation, Drake recognizes a fellow airline passenger as a professional assassin. He decides to investigate, only to be mistaken for the assassin by one of the assassin's contacts. Hoping to eventually turn the case over to the police, he plays along until he receives the identity of his intended "target". But the more he asks around, the more he begins to wonder what is really going on.
A British diplomat is murdered in an attempt to cover up a scandal. John Drake believes the diplomat's wife is also in danger, but when he is unable to convince her to leave her castle hideout, he insists on staying himself. Drake believes the criminals will eventually show their hand. But with a number of suspicious characters hanging around, just how or when remains an open question.
A local man is killed when he enters the room of newlyweds Ted and Joan Baker at a far east hotel. Mr. Baker is jailed after confessing to the crime. When Drake makes a startling discovery about the murder, he looks for a way to free Baker without the country's President losing face. But when his initial plan fails, Drake must orchestrate a jailbreak.
The fingerprints of a man believed to be dead for ten years show up in a stolen car. John Drake follows a lead to northern Scotland, and finds him and his daughter working a tavern called the Gallows Tree. The man claims he is no longer involved with spying for either side. It's up to Drake to discover the truth.
John Drake intercepts a recording from an enemy agent. The voice on the recording belongs to Ruth, a translator for his government, but when Drake confronts her about the message, she claims to know nothing of it. Drake investigates her ties to a reclusive sect in hopes of finding an answer.
A mail bag with important documents is stolen by the Morelli brothers. John Drake orchestrates a jailbreak for a woman named Lita, who has ties to the brothers and can lead him to their hideout. The brothers soon agree to turn over the bag for a fee. However, they plan to kill Drake as soon as the money is theirs.
Numerous people have disappeared along an escape route to freedom. John Drake follows in the steps of one of the missing men, discovering that the would-be refugees are being killed during part of the journey. Drake attempts to discover who in the chain of command is responsible for the murders.
Drake investigates the suspicious death of a NATO agent, Tony. Drake believes Tony was murdered while investigating a group of gun smugglers, and looks to his house and fiancée for clues. Drake's investigation not only turns up the gunrunners, but a shocking surprise about Tony's fate.
After losing several planes over a politically unstable area of Southeast Asia, John Drake is called in to assist the troubled airline. He takes the role of a steward aboard one of the planes in hopes of infiltrating the organization. At first, all goes according to plan. But Drake finds himself in trouble with the group after opening a flask he was instructed not to tamper with.
A freak accident leads to the discovery of a drug smuggling ring. The group operates by sneaking cocaine across borders in padded jackets, leading John Drake to nab one of the coats for his investigation. Posing as one of the smugglers, he soon makes contact with a Contessa; but believing her husband to be the one behind the operation, Drake continues to search for his whereabouts.
There has been an outbreak of radiation poisoning around a North African nuclear reactor. A group of locals blame the reactor for the sickness and campaign for the plant to be shut down. However, John Drake suspects there may be more to this and begins investigating alternative sources for the radiation sickness.
Beth, a worker at the London Embassy, leaves the country for Venice without necessary permission. Fearing that she or some of her knowledge may fall into the wrong hands, John Drake follows to keep an eye on her. He finds her, along with her fiancé and his mother, at a hotel. But when she and her fiancé's mother leave to pay their respects to a dead relative, Drake fears foul play.
A radio program in Hong Kong has been secretly transmitting military information to the Chinese mainland. John Drake takes the role of an actor at the radio station. Once he discovers how the secret messages are coded and transmitted, he attempts to root out just who at the station is involved in the operation.
John Drake is assigned to thwart an assassination attempt, and hopefully discourage the perpetrators from any further attempts in the future. He passes himself off as a skilled professional assassin; the group planning the attack takes notice and hires him to do the job. However, his attempts at sabotaging their plan don't go unnoticed.
Aid from the International Monetary Fund is clearly not reaching its targets in an underdeveloped country. John Drake is sent to see who in the government is getting rich from the deal while the population continues to live in poverty. The death of the populist leader's son provides the perfect opportunity for Drake to probe around unsuspected.
While on a holiday in Rio, John Drake is approached by British intelligence about locating and destroying a submarine that has drifted ashore nearby. Drake goes in search of the craft, but finds himself in a race against time when another group also shows interest in the crashed sub.
Large amounts of counterfeit currency have been arriving in Switzerland from all over the world. Drake has been assigned to follow a lead suspect, Gunther Klaus, and pretends to show interest in his daughter in order to throw him off the track. However, Klaus soon begins to suspect that Drake is more than a common American tourist.
It is believed that the entire royal family of a middle-eastern kingdom has been killed. However, Drake finds one lone survivor, the infant heir/king, in the care of a nurse. With the country in turmoil, Drake attempts to keep the child hidden from the rebels who seek his life.
A group of tropical disease specialists who discovered a particularly virulent bacteria strain are all believed to be dead, with only one exception. Drake travels to India to talk with the daughter of the supposed survivor; but soon he begins to wonder if things are not as they seem.
When rioting breaks out in Victoria, Africa, secret agent John Drake must pose as a gunrunner in order to meet the man behind the violence, Khano. He makes his way into Khano's confidence, and hoping to put an end to the killings, takes Khano's wife to see firsthand the devastation her husband is causing.