Choshin was once the leader of a notorious gang, but gave that life up for the one he loved. When she's killed, Choshin embarks on a journey for revenge upon the 7 gangs that are involved with her murder, hoping to find the killer amongst them. He brings in allies of the past and creates new relationships as he rebuilds the gang he once destroyed for the sole purpose of destroying all that were involved with the brutal murder of his one true love.