After a jazz musician finds a woman's corpse washed up on the beach and remembers that he witnessed her murder at a party the previous night, a woman who bears a strong resemblance to her begins to exact revenge on the murderers.

• Towers of London Productions
• Cinematografica Associati
• James Darren
• Barbara McNair
• Maria Rohm
• Klaus Kinski
• Dennis Price
• Margaret Lee
• Adolfo Lastretti
• Jesús Franco