A ship docks at Southampton with a suspicious crew. Jamie and Henno sneak on board to plant a tracker, but the operation goes wrong and they are forced to kill a man with Caroline caught in the cross fire while making their escape.
Iraq war veteran and cult leader barricades himself and hostages in a country house, after shooting two police officers . Red troop relieve the siege save as many as possible and deal appropriately with those unwilling to surrender their arms.
The SAS risk losing their leader when Dempsey is taken captive while protecting a cabinet minister on a top secret visit to Tblisi, Georgia. Red Troop is scrambled to the rescue, and Henno has a personal score to settle.