Spasmo

Spasmo is a movie starring Robert Hoffmann, Suzy Kendall, and Ivan Rassimov. Christian (Robert Hoffman) and his girlfriend are taking a walk on a deserted beach when they discover a woman's body lying. A closer look proves that...
While walking along the beach, Christian and his girlfriend discover a mysterious woman washed ashore. The following day, Christian meets the woman again at a yacht party and soon finds himself entangled in a web of lust, intrigue and murder.