Ben Kinnear and Mike Paddock are detectives with the Melbourne Police force's elite Zero Tolerance Unit. When a freak accident involving a dead magistrate lands them on the front page of the local paper, Ben and Mike are busted down to uniformed duties. But when Ben discovers a strange link between the accident and the business affairs of a shady casino boss he and Mike have been investigating, the pair decide they can no longer turn a blind eye to the corruption rife amongst their own colleagues.