Misho (Minato), who has been married for 15 years and has no children, has a happy life. However, when my father-in-law, Ming, lost his memory and was forced to take care of him, his life changed completely. Sometimes misunderstanding her as her late mother-in-law and approaching her with sexual harassment, Misho eventually got angry. However, Ming, misunderstanding that it was his wife's harassment, pushed Misho down. Misho was shocked by her father-in-law's age-unsuitable personality.