Hunter and Masters investigate an armed robbery at an off-licence, but find they have little to no evidence to go on – until Murphy and Bryant arrest a man on a warrant for failure to attend court, only to find that he has a severe gunshot wound from where the gun backfired during the robbery. The pair then manage to identify his accomplice, and are led to an illegal firearms manufacturing operation which soon threatens the life of a young boy. Meanwhile, as the relief go after offenders who have failed to attend court, Casper and Valentine catch up with a particularly violent thug who they have encountered before, but not before he manages to assault and intimidate his own mother. (thetvdb.com)