The Wild Pussycat (1969)

Fed up with his old girlfriend, Vera, Michalis, the ruthless leader of an international drug-smuggling ring, shows her the door. When her sister, Maria, finds Vera's diary, well-hidden secrets of abuse, humiliation, and prostitution come to light. As a result, unable to forgive and forget, seductive Maria embarks on a feverish mission to get even, weaving an elaborate web of revenge, degradation, and pitiless punishment. Now, there is no turning back. How sweet is the taste of vengeance?