Post World War II, Minoru lives by selling supplies that had been stolen from the U.S. military. One day, he is arrested due to the plotting of Kurahata, a member of the Yakuza who doesn't like him.

Set in Kyushu during the early Showa period, the son of a boss who is killed after a greedy boss takes over his territory, takes over and takes revenge on his nemesis.

When Yakuza decides to take avenge his brother, the war shall begin.