Since the wedding, Bingo has but one obsession, anal sex with his new wife, Sonia, who categoricaly refuses. While a frustrated Bingo resorts to call-girls to satisfy his desires, Sonia finds a sympathetic ear in the form of a barmaid at the Cafe Diablo. She puts her in touch with a strange feminine creature with horns. Desperate, the young lady signs a contract whose consequences are rather immediate...