For several weeks after the body of her husband has been pulled from the sea, Arlene Fleming receives calls from the allegedly dead spouse and finds evidence to suggest that he is still alive. The doctor advises admittance to a sanatorium to prevent a nervous breakdown. The Saint discovers that the main beneficiary to Fleming's will is his nephew, Andrew, who seems to be very closely involved with his uncle's main business rival. The Saint tries to talk to the locals to find out how Fleming died but is greeted by general hostility until one of them tells the Saint she...
Having gone to the aid of mystery blonde Reb Denning the Saint finds a dying man who tells him, "stop them...Friday night." He is next captured by crooked casino owner Brett Sunley who claims that he has stolen £100,000 from the casino. The Saint manages to escape and tracks down Reb Denning, who tells him that she is a secret agent and that Sunley's casino is a front and that he is a banker for international spies. She gives the Saint an invitation to danger to bring down Sunley and his associates, which, of course, the Saint does not refuse.
Having met his maker in an explosion in his car, retired villain Ed Brown shows a posthumous film to several rival gangsters which is also viewed by Brown's daughter Penny, previously innocent of her father's criminality, and the inevitable Saint. The film claims that Ed has deposited a million pounds in a Swiss bank and that whoever can match it can claim the money. A security van is to travel from the coast to London with a million pounds worth of gold bullion on board, making it the ideal target for the 'prize'. The Saint picks up the gauntlet but some of the other...
Diplomat Jason Douglas has disappeared, along with a large sum of money, and sinister mystery man Walter Faber holds Sara, Douglas's daughter, hostage in exchange for news of the man's whereabouts. The Saint frees her and they track down her father, who tells them that the money is to be given to help a developing African country. Faber and his heavies catch up with them, threatening dire consequences if he does not get the money. However, the hunter becomes the pursued as the Saint gains the upper hand.
The Saint is contacted by Jonathan Roper, who is training a small international army, which he invites the Saint to join. In fact the Saint is working undercover for British military intelligence who are curious as to what Roper's plans are. Roper informs the Saint that he wants him to lead an assault on an army vehicle, stealing uniforms. It becomes apparent that Roper intends to disguise his men as British soldiers for criminal purposes. The Saint sets out to stop him.
The Saint is hired by Greek millionaire Eugene Patroclos to locate the man who is impersonating him. However, when the Saint catches up with the impostor he is told that he is the real Patroclos and the man who originally hired the Saint is the fraud. Both men have secretaries called Annabel and the Saint must work out which of the two Annabels he trusts, to help him unravel the mystery.
Whilst in the company of his journalist friend Mary Ellen, the Saint receives a number of death threats, most starkly a wreath which informs him that he will be killed in two days' time. A couple of small-time crooks seem to be implicated in carrying messages for the would-be killer but both are bumped off before they can be of help to the Saint. With a hearse parked outside his door and Mary Ellen in the clutches of the murderer, time is running out for the Saint.
The Saint answers a cry for help from Jean Lane, whose brother Tony has got himself into hot water after being black-mailed into working for night-club owner Cord Thrandel, who is an all-round criminal. Having rescued Tony from Thrandel's clutches he investigates a warehouse in which he finds cases of plaster statues which contain heroin. He switches labels on the cases so that Thrandel loses his shipment. Thrandel is not happy and threatens to kill Jean unless the Saint returns his illicit property. Needless to say the Saint is eager to thwart the master plan.
The Saint has been summonsed by the local doctor to a Welsh village where residents have been attacked by strange, monstrous creatures. The link would seem to be with a research laboratory at nearby Dragon's Rock, run by the secretive Dr. Sardon. Sardon's niece Carmen is herself very worried and the Saint joins her to investigate. Carmen is attacked by a large creature whose tracks lead to Sardon's laboratory. He is breeding giant insects one of whose eggs are ready to hatch. The Saint must destroy it before it destroys him.
Five members of the board of a company called Combined Holdings have all been recently murdered. It would appear that each one received a card with the words 'The Scales of Justice' printed on it before their deaths and the assassin would seem to a man posing as blind with a blowpipe concealed in his white stick. Gilbert Kirby, a friend of the Saint, is the latest board member to be threatened. He is due to be made Lord Mayor of London and escapes an assassination attempt whilst in the mayoral procession. The Saint examines photos of the pageant and realizes that the ...
The Saint is asked to act as a bodyguard to the best-selling adventure author Amos Klein and, to his surprise, discovers that Amos is a young woman who uses a male pen-name. They are both captured by a man called Warlock, who has a moll called Galaxy Rose - both names of characters in Klein's books - but they too expect Amos Klein to be a man and are easily fooled when the Saint tells them that he is Amos and the young lady is his secretary. Warlock wants 'Amos' to use 'his' novelist's imagination to break in to Hermetico, a former mine that has been converted into a ...
Having been re-captured by Warlock and his gang, the Saint, still posing as 'Amos Klein', accompanies Warlock to Hermetico, the underground building Warlock wants to rob, posing as prospective clients, and making a note of the lay-out. The Saint devises a plan to breach its security and begins to train Warlock's men to raid the stronghold. However disaster strikes when one of the gang recognizes the Saint and his cover is blown. The real Amos is taken hostage on pain of death if the Saint does not carry out the robbery as planned.
Whilst fishing off the South coast of England the Saint comes across an unsuccessful boat-builder who is nonetheless in the money because he is in the business of smuggling illegal immigrants into the country. Additionally it is revealed that one of the immigrants who has gone on the run was suffering from small-pox and the Saint must locate him before he can spread the disease.
The Saint agrees to act as go-between, taking ransom money to the kidnappers of Jenny, wayward daughter of film producer Ben Kersh. The kidnappers blindfold him but he has a camera disguised as a wrist-watch, which enables him to re-trace his journey to the hide-out in order to free Jenny. However, the victim seems less willing to be rescued than one might have expected.