Taeko and her husband, Jiro, are living a peaceful existence with son, Keita. A tragic accident brings the boy's father, Park, back into her life. Taeko throws herself into helping this deaf and homeless man to cope with pain and guilt.
Gu (Shota Matsuda), a cocky young Korean-Japanese hoodlum, is targeted by a rival thug after he is blamed for a murder.
A married woman is having an affair with a high school student. A video of their exploits soon turns up on the internet affecting the lives of both couples.