A serial rapist attacks a young office lady on her way home late at night and imprisons her in an abandoned apartment. Captured by a vicious criminal, the woman is forced to endure relentless oral abuse and deep throating. As humiliation with vibrators and physical violence intertwine, her body gradually falls under his control. Trapped and helpless, she is made to submit to his twisted desires, crying as she is brutally raped and forced to swear allegiance as his sex slave. In this isolated nightmare where no one will come to save her, her mind slowly breaks down.