A woman catches her husband cheating on her so she drugs him, castrates him and then keeps him chained up in the basement where he's forced to watch her have sex with other men before she kills them.

Silvia, whose lover is a talking horse, is threatened by Scipio, her uncle and tutor, and by Marcus and Furius, advisers to the monarch, who aim to overthrow the daughter of the former Roman emperor. Scipio, as a strategy, wants to marry her to Marcus, but she refuses. The advisers, on the other hand, are simultaneously planning a coup against Scipio.

Moved by ambition and the pursuit of easy profit, Roberto marries his widowed boss, owner of the farm where he worked, with the sole purpose of facilitating her death, and taking over not only her lands, but her entire empire. With the death of the widow, Roberto marries his lover Helena and cheats Nico, the widow's legitimate son, out of the inheritance. Helena liquidates Roberto to be left alone, but the police discover everything and arrest Helena. Nico, the rightful heir, who has been begging in the gutter, finally takes possession of what is his.