JULIA lives with her husband and his son, Shinji. While struggling with her relationship with the teenage Shinji, she finds herself trembling at the touch of a visiting masseur, her heart captured by their secret encounters. When Shinji catches her in the act, he uses it to blackmail her, forcing himself on her against her will. From then on, she is made to obey his every command, increasingly humiliated and used as his sex slave. As Shinji's uncontrollable desires spiral out of control, she is subjected to one intense, degrading act after another.