Facing the death of her father and overwhelmed by deep sorrow, Yu is sold into sexual slavery to pay off his debts. Trapped in an abandoned building, she becomes a plaything for men. Subjected to spanking, slapping, intense deep throat, nose hooks, and rose whip assaults, Yu gradually begins to shift from pain to pleasure. As the abuse escalates from a foursome to double anal penetration, she starts to feel arousal from their violence. "I've begun to feel excited by the way they treat me..."