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.

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.

Tracy Steele is blamed when an old girlfriend is found murdered in his car.

Barbara Ingalls is accused of murder when her husband's mistress is found murdered. MacKenzie is asked to investigate the crime, but he discovers his life is also in danger because someone doesn't want him to arrive at a different conclusion.

A conman is trying to profit from the rumor of a volcano eruption. One of his marks hires Tracy to try and verify the rumor.

A manuscript said to have been written by Robert Louis Stevenson is stolen from a boat arriving in Honolulu. A man with a college tie to Tom enlists his help to track down the document.

Although Jean Morgan was found not guilty of her husband's murder, the public apparently is still not convinced. Jean hires Tracy to find solid proof of her innocence, while her stepson, Tony Morgan, hires Tom to find conclusive proof of her guilt.

Tom listens in on Kim's taxi radio and gets an alarming earful. Kim and his passanger, a girl named Joan Carmichael, are being forced at gunpoint to take a ride. Tom uncovers a murder while attempting to locate Kim and his passenger.

Greg and private investigator Tracy Steele investigate the attempted murder of an oil executive who was about to close a merger with a rival oil company, which is controlled by a woman.

MacKenzie (Grant Williams)runs to help when a car comes tearing down the street, barely misses him, and crashes to a stop. But he's too late. The man behind the wheel is dead - from a shotgun blast.

The shooting and robbery of the island's favorite drive-in owner spurs Tom into action, while the Hawaiian Village Hotel's new social director Phil Barton and Cricket believe that Tina Billings knows more about the crime than she should.

Concert violinist Stafford Price is fond of his $20,000 Stradivarius. Unfortunately, he's not the only one. When the violin is stolen, it's up to Tom and Phil to recover the valuable instrument.

Cricket's friend, Luana Mathes, leaves her baby on Cricket's doorstep to keep him away from his grandfather, who is trying to take the child away from her. Meanwhile, Tom is hired by the grandfather to find both mother and grandson. His ire when he finds that Cricket and Phil have been keeping a secret from him is short-lived when he discovers a kidnap plot.

Ralph Mason wants Greg to find out the name of his lat wife's lover. Evelyn Mason was killed in an automobile accident after leaving the mysterious man.

Tom adds an old pal, Glen Thompson, to the agency's security staff. Soon after, a jewelry store robbery where Glen is injured puts them both on the spot. Tom is confused. He knows Thompson too well to believe that the obviously inept thieves could have outsmarted him.

Phil's cousin Lucy McDowell is nice, unattached, and Hawaii-bound. Phil and Cricket's plans to entertain Lucy hit a nasty roadblock when a disreputable writer-type named Victor makes a play for the girl.

Newscasters Van Baxter and Steve Talbot have been publicizing a series of unsolved crimes which culminated in the death of Steve's wife. They pressure Quon into arresting the boyfriend of Phil's part-time secretary, Lois Corey. Phil steps in to clear the innocent man, with some help from Cricket and Greg.

A prowler disturbs the sleep of fading movie queen Nora Stewart, who is vacationing in Honolulu before attempting a comeback in Hollywood. A routine check by Greg reveals that every member of Nora's entourage has reason to prevent her comeback. He then sets out to discover which one is disturbing the actress. Kim provides the needed clue.

A woman is torn between her lawyer and her estranged husband.

When a security guard is murdered and a valuable map is stolen from the collection of the late Professor Coleman, Tom finds he isn't short of suspects. Coleman had willed the entire collection to a university and left nothing to his daughters, his Hawaiian ward, or his loyal assistant.

When a trumpeter is blacklisted, Phil and Cricket try to get him a job.

A wealthy widow falls for a faith healer's con game, but Cricket and Phil have to rescue her when she starts to cause trouble after moving into Brother Love's rest home.

Greg MacKenzie falls for vacationing Nora Cobinder, but then finds she is a target of killers because of something that happened to her sister some years earlier.