Marguerite de Bourgogne had her father, the Duke of Bourgogne, murdered by Buridan, her page and lover. Once her aim achieved, she tried to get rid both of Buridan and of the two sons, Philippe and Gaultier, they had together. But, not only did Buridan manage to escape but Landry, the man assigned to kill the two children, was moved to pity by their lot and could not bring himself to stab them to death. Twenty years later, Buridan is back from war in Paris; Marguerite has become the Queen of France and the two babies are now handsome knights. More pervert than ever, Marguerite lures men into the Tower of Nesle where she makes love to them before getting them killed and thrown into the River Seine. Worse, her present favorite is now Gaultier, who she does not know is her own son. As for Buridan, she tries one more time to eliminate him by accusing him falsely and having him imprisoned...