Weekend. Makoto, a young office worker living with his wife in some part of Tokyo, was hurriedly tidying up the house to welcome his mother-in-law who would soon arrive. His wife's mother. She takes the long train ride from the countryside to check on her daughter and son-in-law. Hearing the doorbell ring, Makoto involuntarily held his breath as the voluptuous figure of his mother-in-law, Yuuko Ishibashi, entered the house.
