A serious and kind foreign woman, an acquaintance of her husband. The couple begins taking care of her, but one day the husband gives in to temptation and rapes her. To conceal the crime, he kidnaps and imprisons her. Mao is repeatedly assaulted without food or water. As she grows weaker from confinement, her husband's mental state deteriorates rapidly. A tragic relationship unfolds between them, depicting a twisted bond filled with intertwined love and hatred.