The Comte de Reni was set up by his closest friends, and now he is ruined. Only his daughter Eniana can save him from the debt trap. To do this, she needs to give up her marriage to her beloved and marry the Duke of Wayne, who has already managed to bring seven wives to the grave. The Duke's castle keeps many secrets. And in the forest surrounding the castle there is a terrible beast that hunts young girls. Will the rebellious Eniana be Bluebeard's last wife?