Satomi is thoroughly fed up with her constantly nagging father-in-law. Whenever she asks her husband for help, he dodges the issue and refuses to take a stand. Wishing her father-in-law would simply disappear, Satomi gives in to temptation and begins slipping tiny amounts of poison into his food and drinks. A few days later, he falls ill just as she planned—but then he catches her poisoning his tea...