Wu Nai, a wife betrayed by her husband, recruits casual sex partners in revenge and records herself performing oral sex on them. She swallows all their semen, sends the tapes to her husband, and watches them with him, smiling as he watches them, bewildered. "Tell me, are you excited?" she asks him, but he's still not ready and can't get an erection… After her revenge is over, she gathers the partners from the tapes again to satisfy her desires.