A man released from prison learns that his brother has been brutally beaten and left in a coma. As he tries to find those responsible, he learns his brother has become involved in a violent underground sport run by criminal gangs, and joins a team in the hope of getting revenge.

A serial killer is on the loose. There have been gruesome murders, with victims being ghastly dismembered and their severed body parts dumped in various locations. As the bodies keep piling up, the police remain in the dark without a single clue.