Suspicious of her husband's behavior, Arisa follows him and secretly witnesses him entering and leaving a love hotel. Inside, she sees him with a young woman, engaged in passionate kissing. The woman is revealed to be his mistress, Anna, who aggressively performs a blowjob on her husband's penis. Overcome with jealousy, Arisa can no longer restrain herself and strikes her husband with a whip. In truth, her husband has masochistic tendencies, secretly enjoying an affair with Anna while indulging in BDSM play together.