Toma lives in a small riverside town with his brutish father and his father's girlfriend. Witnessing his father's predilections for abuse, Toma becomes anxious that he will have inherited those urges.
12 years ago, Hideto crippled his younger brother Masato in an accident in the woods. Hideto had avoided Masato ever since, but meets a physically healed but emotionally wounded Masato when he visits home one day. This Masato gets him to face the accident. Hideto then goes to meet the real Masato.