Sunburn

Jake, an insurance investigator, is assigned to probe the killing of a wealthy businessman in Acapulco. To help him, he hires a beautiful New York model, Ellie, to act as his wife, and they pretend to be tourists on vacation. Art Carney plays Marcus, a local detective who befriends Jake but gets him into various scrapes. Joan Collins also appears as the suspicious Nera. (allmovie.com)