Stu Bailey goes to Hawaii to help the government uncover a gang producing phony money, by romancing the girlfriend of the girlfriend of an imprisoned counterfeiter. He gets help from Tom Lopaka of ""Hawaiian Eye"".

Bailey and Kookie, charged with protecting the jewels at a charity bazaar, are outsmarted by a master swindler who replaces the Moorfield Diamond with a replica.

Stu Bailey, hired to locate some old acquaintances of a disk jockey, finds himself framed for their murder.

Jeff Spencer tries to help a friend with a gambling problem, who has become an assassin's target after becoming involved in a race-fixing scheme.

Stu Bailey is hired to protect a temperamental opera diva who has been receiving threats.

Jeff Spencer promises a dying convict that he will retrieve a stash of stolen diamonds and give the reward to the man's daughter, but he has to beat out a crooked insurance investigator.

Bailey is asked by the government to go to Germany to purchase top-secret documents and foil the attempted kidnapping of a scientist.

Jeff Spencer investigates an apparently accidental death and discovers a serial killer, thereby making himself the next victim.

Stu Bailey and four other survivors of a plane crash at sea reach an isolated island only to discover that it is the target of an H-bomb test.

Jeff Spencer, hired by a Texas oil dynasty to protect their teenage daughter from a fortune-hunting gigolo, must prove her innocent when she is found with his dead body.

Stu and Kookie are in Paris trying to keep a millionaire's daughter from marrying a fortune hunter who is conspiring with her uncle.

Jeff Spencer poses as a singer to expose a jukebox racket that caused another singer's death.

Stu Bailey is hired by a woman to prove that she is innocent of the mercy killing of her invalid husband.

Jeff Spencer discovers that the countess who hired him to deliver a valuable sculpture to New York is actually part of a ring of spies.

Stu Bailey finds that the supposedly deserted hotel a client is looking to buy is currently occupied -- by a gang of counterfeiters.

Jeff Spencer goes to Mexico to track down a photographer whose insurance company is reluctant to pay out $200,000 for his supposed death.

Stu Bailey's agency is hired to go undercover at a dance hall after two hostesses are murdered by an unknown assailant.

Jeff Spencer is hired by a blind director to take part in a winner-take-all hunt for a dead movie producer's fortune.

Stu Bailey is hired by a teen novelist to find the person trying to blackmail her.

Jeff Spencer is hired to prove that the apparent suicide of a despondent actress was actually murder.

Stu Bailey is hired to protect the life of an eccentric tycoon on a safari.

Jeff Spencer pursues robbers who kidnap Suzanne in the course of a jewel heist.

Stu Bailey is waylaid while escorting a Latin American politician's daughter back to her homeland.

The wounded Bailey finally manages to get the girl to San Dede's capital city, only to find that the government is now in the hands of her father's enemies.

Stu Bailey's efforts to find a woman's missing necklace are hampered by the well-meaning efforts of her scatterbrained mother and her bratty daughter, both of whom are actresses with overactive imaginations.

Jeff Spencer is nearly killed himself while investigating the death of a boxer involved in a fight that was fixed.

Stu Bailey is hired by a glamourous former dancer to evict her estranged husband from their remote mountain cabin, but murder intervenes.

The firm tries to solve the murder of a former chorus girl who faked her own kidnapping and collected $200,000 from her elderly husband.

A woman hires Stu Bailey to clear her boyfriend, an Air Force lieutenant who was convicted of espionage.

Jeff Spencer is hired to pose as a college student to investigate the death of his client's son in a fraternity hazing incident.

On an intelligence mission in Budapest, Stu Bailey dons a series of disguises to try to rescue a young political prisoner and recover his scientific data.

Trailing a fugitive to a small island off Hawaii, Jeff Spencer finds that his cover as a beachcomber gets him into trouble when the man and his girlfriend decide to kill Jeff and pass off his body as that of the fugitive.

Summoned to a friend's mountain home to help discover the reason for his daughter's strange behavior, Stu Bailey must overcome both a gang of outlaws and a man-killing animal.

Jeff's attempts to rescue a kidnapped mob witness lead to a lethal game of tag.

Stu Bailey is in a race with time as he investigates the kidnapping of Philip Stanton, a businessman with a rare disease that will kill him unless he's supplied with daily medication.