Takeshi, the son of the host of the hot spring, is fascinated at first sight by the married woman, Reiko, who came alone to the hot spring with the efficacy of fertility treatment. One day, Takeshi, who was on the bus to go home, witnessed Reiko being molested. However, Takeshi was unable to protect Reiko from men who insidiously tampered with her body. And that night, when Takeshi happens to meet Reiko in the open-air bath, Reiko touches Takeshi's crotch saying, "I want a child...".
