In the tense and shadowy world of post-war Europe, a British military police unit led by the determined Captain John Sean Bean is tasked with a chilling investigation. When a series of brutal murders points to a clandestine network of former SS officers, the team uncovers a conspiracy far more terrifying than mere war criminals in hiding. They are hunting the architects of a terrifying new world order, a resurgence of Nazi ideology known as the Fourth Reich. Alongside his steadfast colleague Sergeant Harris Sean Pertwee, Captain John must navigate a treacherous landscape of deception and paranoia, where allies are scarce and the enemy is already among them. This gripping drama, directed by Shaun Robert Smith, builds a palpable atmosphere of dread and suspense, exploring the haunting legacy of evil and the desperate fight to prevent history from repeating itself.