In a dystopian world, a vengeful Australian policeman named Max sets out to stop a violent motorcycle gang.

To build up attendance at their games, the management of a struggling minor-league hockey team signs up the Hanson Brothers, three hard-charging players whose job is to demolish the opposition.

When a madman dubbed 'Scorpio' terrorizes San Francisco, hard-nosed cop, Harry Callahan – famous for his take-no-prisoners approach to law enforcement – is tasked with hunting down the psychopath. Harry eventually collars Scorpio in the process of rescuing a kidnap victim, only to see him walk on technicalities. Now, the maverick detective is determined to nail the maniac himself.