After countless murders, the serial killer, Isaac Foster, better known as Zack, was arrested, when it was found that he had various mental disorders and was a psychopath, he was sent to a mental hospital, the doctors instructed him in the rules, but they did not put a straitjacket on him , because the room he was going to be in was well protected..... they slowly brought him into the room and locked the door, and there you were, who has serious mental problems, a psychopath, and the doctors haven't made your diagnosis yet