Doris Regina

During World War II, a small German squadron was assigned the task of carrying a shipment of Nazi gold across the African desert. Along the way, the squadron was ambushed by the Allies, and only one American soldier, Robert, survived. Years later, Robert tells his story to a German treasure hunter named Kurt, who promptly murders him... (imdb)

Betsy Norman is a happy assistant at a luxurious Spanish hotel. Shiela, the hotel owner, caters for all wishes of her clientele with another lucrative business, the brothel "Rio Amore" where clients from all over the world come to relax with the girls and watch the sado-masochistic shows. Linda, Betsy's sister, is drugged and forced to work as a prostitute there. (imdb)

A sleazy private investigator teams up with a couple of Spanish hookers to unravel a web of murder and blackmail involving a rich family.