In the sweltering summer of the Showa era in the 1950s──. Yuko lives with her son Ken-block in a rural village. She raised him single-handedly, and though he had his share of hardships, Ken-block was a prodigy aiming for a university in Tokyo. However, in a rural village as a single mother, earning enough money was impossible. It was then that the village's assistant chief took an interest in Yuko. The assistant chief would sneak into the bushes to ravage Yuko's sweaty body. Yuko endured it all for Ken-block's sake, but her suffering was witnessed by Ken-block, who knew nothing of it…
