Ayako Wakao portrays a downtown rice ball shop girl whose heart is set on her business. Involved in her life are three young men—stage actor Goro, businessman Kokichi and Sanpei Pachinko.

In the past, a woman was raped by her brother-in-law. Keeping this dark secret, she lives a seemingly happy life with her husband and son, but the son, shocked to find out his real father is the brother-in-law, sets out to do something. The downfall of a mother and her child starts there...