Legendary womaniser Don Giovanni attempts to seduce Donna Anna behind the back of her fiance Don Ottavio. When her father, the Commendatore, learns of Don Giovanni's despicable behaviour, he challenges to cad to a duel. Youth triumphs over old age and the Commendatore is killed. Don Ottavio swears vengeance. Meanwhile, Don Giovanni continues his odyssey of sexual adventure, wooing Donna Elvira and peasant bride Zerlina.