Tango of Perversion (1973)

The Tango club is the favorite hangout for a group of swingers who live for nothing but pleasure. Rosita, a beautiful lesbian, seduces Joanna by giving her dope. Stathis, Joanna's sleazy boyfriend catches the two women in bed together and takes his brutal revenge on them, ending in Rosita's death. All this happens in the house of Joachim, a rich playboy who gets his kicks by secretly filming Stathis having sex with girls from the Tango club. Joachim believes he is impotent, until he makes love to..