Newlywed kokoro becomes the prey of a filthy middle-aged man in a trash-filled room. Kokoro and her husband start their happy married life. In contrast, their neighbor ino, who lives in a dirty room. When the couple notices that garbage is piling up in the shared hallway, they warn him. However, ino, who is attracted to kokoro's appearance, starts secretly filming her instead of apologizing. Days pass... kokoro goes to admonish ino when she hears loud, lewd noises coming from his room, but she is forcibly pulled inside...