In an isolated prison, there are only four prisoners and a cat. One day, a power outage opens all the locks and all of the prisoners are released. However, all of the guards are nowhere to be seen and there are no exits. An extraordinary event occurs in response to an old man's strange behavior.

After being betrayed by his peers and lost both his father and his right arm, legendary craftsman "Jingoro Hidari" is on a journey of revenge with his partner "Sleeping Cat" and his mechanical prosthetic arm. Finally, Jingoro faces one of his adversaries "Inumaru" in a fight to the death...

A photographer who takes pictures of a rendezvous between a politician, company president and yakuza boss is later found dead and the film missing.

Based on the popular comic, “Shonan Bakusozoku” illustrates the lives of high school bike fanatics.