In a home without peace and quiet, the only thing that soothes Mao is masturbating, but one day her father witnesses her. Her father becomes aroused by his daughter's lewd appearance and asks his mother, who is driven by his desire, for Mao's body. Even her brother, who notices this, begins to devour Mao's body. Now the woman's body is entangled in the hell of intense incestuous kisses.