Sakie (Machimura) lost her husband at an early age and raised her son Tomohiko single-handedly. Tomohiko's school life is coming to an end, and he has various feelings for his son who is becoming an adult. One day, Sakie is forcibly violated by her brother-in-law who comes to ask for money. The loathsome shock still haunts him, and he reveals the truth to Tomohiko. A son who feels guilty for not being able to protect his mother, and a mother who wants to throw everything away crosses a line that shouldn't be crossed...
