The theft of $100,000 worth of jewels from a Long Island socialite introduces Robin Scott to a gang of dangerous hoodlums disguised as playboys.

Thelma Henderson is missing, and Rick discovers that her husband Walter has heavily insured her life.

 

Robin flies to Antwerp, Belgium, in an effort to track down a valuable notebook filled with research information.

Robin learns he is driving a sports car which is identical to that of a popular singer. After surviving the sniper who planned to do away with him, Robin learns it was a case of mistaken identity. The singer was the assassin's intended victim.

Robin Scott sets out to find the thief of the fabulous "Heart of Buddha" ruby and he is forced to make a strange alliance with Kang, a Burmese robber baron.

A highly insured Shakespeare first folio is stolen from a London university.

Robin travels to Paris to search for a stolen pair of emeralds.

A bomb goes off in a bus, and the chief suspect is the son of one of the dead passengers.

Insurance agent Robin Scott is assigned to investigate an airplane, carrying half a million dollars in gold in payment for Arabian oil, which has been hijacked at the Tripoli airport. The quest leads him to a Spanish beauty and an ex-Nazi officer.

In Geneva, a masked band of thieves steal a valuable coin collection at gunpoint. Robin is put on the case, and finds out among other things, the stolen ducats were fakes.

Robin while investigating an insurance fraud in Guatemala runs afoul of a big game hunter and a beautiful local businesswoman.

A doubtful insurance claim is offered by a seductive widow who offers $20,000 to recover a missing jade statue in Acapulco.