Kiyoko and her son, Atsushi, whose husband has been expelled from the house because he has left a debt and evaporated. Kiyoko, who has no other relatives, decided to live in a rented house at the house of her brother-in-law and his wife, relying on the only messenger. In contrast to his close brother-in-law, Hideyuki, his wife, Takako, treated them wickedly because of their presence. One day, a debt collector appears under Kiyoko. Kiyoko was forced to play with her body without knowing that it was Takako's plot.
