Actor Mark Hamiton arrives in Hawaii and Tracy Steele draws an unusual assignment, to keep Hamilton's three ex-wives away from him. They plan to kidnap him in order to get back alimony payments. Hamilton also gets involved in a murder when he kills his business manager, who was aware that the actor had evaded paying his income tax.
Irene, the princess from Manhattan, is trying to escape from her husband, Prince Abdur, and Tom Lopaka agrees to help. But it doesn't look like Tom's going to be of much assistance when he's taken prisoner aboard the prince's yacht.
Eight-year-old Patty Seldon has lost her boyfriend, Stevie. Cricket decides to have some fun with detectives Steele and Lopaka and introduces Patty as a client. The case becomes more interesting when a ring given to her by the young suitor turns out to be part of something stolen by the little boy's uncle.
A Steamship company hires Lopaka to get evidence on some dope smugglers. They suspect that someone is stowing narcotics aboard their chartered vessels.
Unknown to Steele, one of the Chinese refugee musicians he is guarding is a Tibetan Lama escaping from the Reds. Kim accidentally hears a song being played by Wang Hai, that provides an important clue. Everybody ends up at the Hotel's Shell Bar to hear Cricket & Kim sing ""Jade Song"".
The girl Harmon Kane is seeing is supposedly the daughter of a wealthy man, but in actuality the man posing as her father is an accomplice in a scheme to steal a valuable necklace called ""The Blue Goddess"". When the fake father buys the necklace with a bad check, Lopaka must track him down to recover the stolen goods.
A lottery ticket is Lopaka's only clue in finding an ex-con who's the prime suspect in a tuna warehouse robbery.
Steele is hired to find a kidnapped heiress. The odd thing is that the ransom note actually arrived before she disappeared.
Hired to protect an heiress's privacy, Lopaka becomes suspicious of her boy friend's attempt to play on her guilt over her father's accidental death by having her participate in seances.
Puppeteer Michael Dalli tells his asistant Sandra that he's replacing her with another girl. Then Sandra finds her look-alike puppet crushed. Distraught, she runs out into the streets and is run down by a car. Dalli's new assistant, Mona, then finds her puppet strangled, and Steele is called in to investigate.
Tom Lopaka pursues escaped killer Ed Grimes to Hilo, where he is sheltered by his wife Dora until Tom shows her that he has taken up with a new girlfriend.
Tom, who is dating the sister of prize fighter Joey Steck, uncovers a plot to fix his upcoming bout against a local favorite.
Otto Von Helgren proposes to sail a raft across the Pacific Ocean ""in the interests of science"" - and a substantial grant from the Pacific Foundation. However, Abner Dexter, an officer from the Foundation, suspects a swindle when Von Helgren refuses to be photographed. Tracy is asked to investigate and calls on Rex Randolph of 77 Sunset Strip to help him expose the fraud.
Tom Lopaka tries to unravel a conspiracy to kill an orchid grower and steal his most valuable specimen.
Tom Lopaka manages to talk an executive out of committing suicide by convincing the man that he will find the person who's been blackmailing him, but in order to accomplish this he must induce his old friend Greg MacKenzie to come to the islands to finger the bad guy. Greg is so taken with Hawaii that he decides to stay, and becomes a member of their detective agency.
Six Navy men discover they have something in common - they're all engaged to the same woman. They hire Tom to find her and get the money back that they each gave her for expenses.
A crop of 20-dollar bills turns up in Honolulu, and the Treasury Department asks MacKenzie to help find the source. At first glance, the bills appear to be the work of former counterfeiter Capt. Joe, who they thought had gone straight. It turns out he has been kidnapped by the real counterfeiters, but is refusing to cooperate with them in making new $50 plates.
Someone has just murdered award-winning artist Gordon Montaigne, and Tracy Steele gains the help of a blind girl in serving as bait to catch him.
To expose a waterfront loan shark, Tom Lopaka poses as a loneshoreman who needs a loan.
Micho Koyoto is a Japanese marine who has been a castaway in the Solomon Islands for more than fifteen years. Out to cover a big story, magazine writer Gloria Matthews asks Tracy to help find him. Koyoto is the heir to an industrialist's fortune, but first they must convince him the war is over.
Bill Sinclair brings a rare statuette called the Manabi Figurine to Greg for safe keeping pending its appraisal, and hoped for a tidy profit on the archaeological find for himself and his partners. The figurine is stolen from Greg's safe and a murder is committed. Greg and Tom work with Lt. Quon to track down the killer and recover the figurine.
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Tom returns from a covert job where he was tasked with bringing a witness back to Oahu to stand trial. An enterprising photographer learns about the witness and tries to make some money selling his information.
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Tracy Steele is blamed when an old girlfriend is found murdered in his car.
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