Patricia has been raped every single night by her own father, until she decided to take revenge. She put a razor blade inside her vagina, before her father entered the room for the last time. The bleeding and the pain were so severe, that her mother came in the room, only to find out what has been going on behind her back. She murdered her husband in front of Patricia's eyes without any regret. Years after, Patricia spends a weekend with friends inside a mansion. During the first night, one by one many of her friends become victims and experience some awful torturing, which is actually pretty creative each and every time. The usage of saws, razors, axes and even a dildo gives them the ultimate torturing, without any apparent reason at all. The next morning finds few survivors, who have no idea what has happened during the night. Patricia finally decides to have sexual intercourse with her own boyfriend for the first time.