Sandra Latham is an American woman honeymooning with her wealthy new husband Ernesto at his Spanish villa. But the next morning, Sandra awakens only to be confronted with a stranger who insists that he's her husband. She goes to the authorities who, unfortunately, believe the stranger's story and so Sandra begins a frenzied search for her new husband. When her sister-in-law Carla arrives accompanied by a totally different man who claims he's Ernesto, Sandra begins fearing for her own sanity.