Tracy is hired by a dancer to find her ex-boyfriend who, because of some letters he had sent her, she believes is in Hawaii. However, it turns out that Tracy may have unwittingly bitten off more than he can chew.
Two young Japanese man visiting Hawaii ask Tom to find an old man called Noburu. Tom locates him, but his instincts tell him to find out the reason the men are so anxious to locate the old man before Tom tells them where he is.
Tom is hired by Ginger Martin to find her missing husband John, who's been gone for two years. Tom's investigation results in his finding John as the captain of rich Verna Collins' yacht--and her unwilling lover. When Verna is murdered, John is charged with her killing and jailed. Tom doesn't believe he did it, and sets out to find the real killer.
Cricket finds herself pursued by good-looking Somerset Jones. Distracted by his attentions, she doesn't notice when she receives a credit card that belongs to the intended victim of a professional assassin. She and Somerset unwittingly become the targets of the hitman, and Tom has to find the killer before he finds Cricket and Somerset.
The widow of the late Arthur Goodwin hires Tracy to help break her husband's will. It seems that Arthur left the family business to his secretary, who seems bound and determined to run it into the ground.
A young man who is about to inherit the family pineapple business gets involved with a beautiful girl and winds up facing a murder charge. Tracy believes that the man has been framed by someone who doesn't want him to inherit the family fortune, and sets out to use the girl to find out who's behind the frame-up.
Tom and Tracy are hired by a professional violinist to guard his very valuable violin. What the musician doesn't know, however, is that his ex-wife and his current wife's ex-boyfriend are out to kill him. They cause him to have a heart attack and then take away his medication, but Tracy gets him to the hospital and saves his life. Undaunted, the murderous duo plans another attempt on the violinist's life.
Tennis bum Barry Logan is suspected of the murder of his boss in an argument over his boss' wife. Fortunately for him, Cricket is his alibi, and she convinces Tom to find the real killer. Tom uses an upcoming tennis tournament to smoke out the murderer.
A man awaiting execution in a jail cell on a French island near Tahiti escapes and communicates with Tracy Steele. Tracy, under the guise of an American journalist, travels to the island and begins investigating.
Tom his hired by a beautiful woman to pose as her husband and sneak a valuable art object into Macao. What Tom doesn't know is that the woman has murdered her real husband, and has the same thing in store for him.
When actor Mark Hamilton comes to Hawaii, Tracy is hired to keep the star's three ex-wives away from him. It turns out that he's evaded paying them the alimony payments he owes them and they're planning to kidnap him in order to get their money. It also turns out that he's been cheating on his income taxes, too, and when his manager finds out about it, Hamilton kills him.
Eight-year-old Patty has lost her "boyfriend", Stevie. Cricket decides to have a little fun with Tracy and Tom by having them work for her "client" Patty to find the missing Stevie. The joke turns serious when a ring that Stevie gave Patty turns out to be part of a stolen jewelry collection.
Tracy is hired to guard a group of refugee Chinese musicians. He doesn't know that one of the "musicians" is actually a Tibetan lama who has escaped from the Red Chinese, whose agents are looking for him.
Harmon Kane believes his new girlfriend is from a wealthy family, but the fact is that she and her rich "father" are actually con artists planning to steal the valuable "Blue Goddess" necklace. When the girl's accomplice buys the necklace with a phony check and then skips, Tom is hired to get the necklace back.
Pupeteer Michael Dalli informs his assistant Sandra that she's no longer needed and he's replacing her with another girl. Soon Sandra finds her lookalike puppet, which is used in the act, smashed. Shortly after that, she's hit and killed in the street by a car. A new girl, Mona, is hired to replace her, and soon Mona finds HER puppet strangled. She hires Tracy to find out what is going on.
Tom goes after escaped killer Ed Grimes, and tracks him to Hilo, where Grimes is being hidden by his wife Doris. Tom knows that Grimes is cheating on his wife with a new girlfriend, but Doris won't believe anything bad about her husband.
The Pacific Foundation awards Otto Van Helgren a hefty grant to sail a raft across the Pacific Ocean as a scientific experiment. However, a foundation official suspects something fishy when Von Helgren refuses to allow any photographs to be taken of him. He hires Tracy to find out what Von Helgren is up to, and Tracy in turn calls on Los Angeles private detective Rex Randolph (of Warner Bros.' companion show 77 Sunset Strip (1958)) to help him.
An executive being blackmailed is talked out of committing suicide by Tom, who promises to find out who the blackmailer is. Tom's investigation convinces him that he needs the help of his old friend Greg MacKenzie, who's a detective on the mainland. Greg comes to the islands, and is so impressed with Hawaii that he not only agrees to help Tom find the blackmailer but decides to stay and join Tom's agency.
A half-dozen US Navy sailors find out that they share a common trait--they're all engaged to the same woman. When they go to confront her they find she's disappeared, so they hire Tom to find her and retrieve the "wedding" expense money they gave her.