One of two thrillers starring Carroll Baker and directed by Umberto Lenzi, this one was released in the United States as Paranoia, the original title of the second one. Katherine West (Baker) is a wealthy alcoholic who travels to her late husband's Italian villa from New York. Soon, a slimy conman named Peter (Lou Castel) and his girlfriend Eva (Colette Descombes) move in on Katherine, taking advantage of her confused state with sex, drugs, and blackmail. One scene has the hapless Katherine served a toad for dinner, and there are some interesting moments, but this is clearly the lesser of the two films. The annoying score was composed by Piero Umiliani.