Kiyoko and her son Atsushi are kicked out of their house after their husband evaporates and leaves them with debts. Kiyoko, who has no other family, ends up living in a rented house with her brother-in-law and his wife, relying on her only contact... In contrast to his kind brother-in-law, Hideyuki, his wife, Takako, is alert to their presence and treats them maliciously. One day, a debt collector appears to Kiyoko. Without knowing that it was Takako's plot, Kiyoko's body was forcibly played with...