Satomi, a daughter-in-law, is fed up with her father-in-law who is always nagging her about something. Even when she talks to her husband about it, he just evades the subject and the matter is left unresolved. "If only my father-in-law wasn't here..." Satomi, who gave in to the devil's whispers, started putting small amounts of poison in her father-in-law's food and drinks. After a few days, her father-in-law started to feel unwell as Satomi had planned, but one day she was caught putting poison in his tea...