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.