In Ceylon, American Babs Lincoln, daughter of US Ambassador Jefferson Lincoln, is kidnapped. At the same time, an employee of the US Embassy in Colombo is murdered. The crimes bring Joe Louis Walker, alias Inspector X, and Tom Rowland onto the scene, who quickly realize that the cases are connected.

Some guys try to locate a evil guy's secret diamond mine somewhere in Thailand.

A pair of U.S. Navy officers are marooned on a South Pacific island with a group of women whom want to use them for marriage and mating purposes.

Depressed Alain Leroy leaves the clinic where he was detoxified. He meets friends, acquaintances and women, trying to find a reason to continue living.