Overview: Survival expert Higgins goes on a survivalist trip on an island with a small group of young offenders as part of a programme aimed at improving their self-esteem. But he has to call upon his survival skills much more than expected when a planned escape by the boys doesn't go as intended and sees the leader of the trip shot dead, leaving Higgins being hunted down on the island by the three young convicts... Back on the Estate, Magnum, with Rick and T.C., plans to take advantage of Higgins' absence by holding a big party, but the get-together seems ill-fated from the start...