Investigating one of many Insurance frauds perpetrated in Guatemala, Robin Scott faces unexpected hazards. Robin runs afoul of big game hunter Mentolmo and a beautiful local businesswoman who claim they were robbed and demand redress from the insurance company currently hiring Robin.

Robin goes to Paris to try to find two highly insured emeralds belonging to Caroline Agoura, which ostensibly went overboard with her late husband, Paul. By working with Tou Tou, a clumsy Parisian second-story man, Robin learns that Agoura is not dead, is a vague but notorious smuggler, who uses the emeralds as collateral for his deals.

Robin Scott makes a strange alliance with a robber baron. Kang, the robber chieftain, who is accused of stealing the fabulous "Heart of Buddha" ruby. Robin contrives to be captured by Kang. How Robin carries out a strange bargain with the bandit, for his life, makes a fast-moving and exciting climax.

Robin Scott becomes a sniper's target because he drives a sports car identical to that of the assassin’s intended victim. The victim turns out to be a famous rock-and-roll singer and Robin and his fiancee are involved in a double indemnity case.

When Anthony McCord, an American scientist, is attacked and highly sensitive research papers are stolen, insurance investigator Robin Scott (Rick Jason) decides to force the culprit into action by bluffing all the suspects with pointed accusations.

Robin investigates the unlikely story by Addison Hanks, a famous author, that his heavily insured original manuscript has been stolen by Mozambique tribesmen.

Robin is persuaded by an English insurance company friend to investigate a small oil company on the Dutch-owned island of Curacao, where an unusually high number of fatal accidents have occurred among newly hired employees.

A wealthy heavily insured widow drowns in an Indian well in Arizona and Robin matches wits with a hypnotherapist in his search for a killer.

An ex-con is let out of prison after several years. His plan: to kill Robin, the man who sent him to jail.

Scott goes to Manila to investigate the theft of life-saving drugs intended for use in an epidemic of hepatitis on Mindanao.