A socially isolated older man becomes obsessed with Saki, the woman working the late shift at his local convenience store. With no social experience, he quickly repulses her, then lashes out and rapes her after she rejects him. He takes her captive in his childhood bedroom and assaults her day after day, indulging every pent-up desire through rough sex. Yet Saki’s body begins responding to the violence despite her resistance. Can she escape this nightmare?