Miami Beach-based private investigator Ric Rivera looks into the murder of a Florida man on a sex tour of Thailand. Rivera uses his brains, his fists and his knowledge of English and Spanish to conduct a far-reaching investigation. Chief among his suspects are the shady tour director and the other sex-starved travelers on the Thailand jaunt - including an accused dope dealer, a swinging married couple and an ex-nun. The young detective is assisted in his probe by his high-spirited Cuban girlfriend and his aging grandfather, an ex-bootlegger who went straight after Prohibition. Thwarted at every turn and facing an unwanted trip to Asia, Rivera finally collars the killer in a surprise conclusion.