On the twenty first day, a stepmom is found restraining her stepson in their bedroom. He comes back with provocative idea and ends up with a face

The climax is reached on the 21st day: a stepmom is found tying her stepson with a rope in the bedroom she shares with him. He comes back with the most appalling idea, and ends with a slap on the face. Some hard-core adult adventure of a young man and his wicked stepmother.