A woman is trained by a sadistic man to be his masochistic slave. One day, she is cruelly abandoned naked on the streets when her master gets bored of her. Fortunately, she is found by a kind-hearted stranger who takes care of her like any normal girl. However, due to her past as a masochist sex slave, she struggles to adapt to a normal life. As they spend more time together, he helps her rediscover happiness through loving sexual experiences that eventually free her from the shackles of being a sex slave.