Since losing her husband in an accident, Arika has been living alone with her son Jun. Partly because of the hard work he worked to raise him, Jun got a job at a prestigious company, got married, and lives a happy life ... It should have been. Since her daughter-in-law, Alice, has been playing around every day without neglecting housework. - One day, when Arika comes home, she brings her male friend home and has a drinking party! Aribana, who has broken the cord of her patience bag, reprimands Alice, but Alice holds a grudge against Arika and comes up with a plan in collusion with her male friend.