This episode reveals what happens when a police officer who is meant to be investigating a crime turns out to be the man who committed it. The unprecedented access takes viewers behind the scenes into an allegation of police corruption. Cameras follow all of the twists and turns of a unique and gripping investigation as it unfolds, as detectives from the Major Crime Unit track down, arrest and then charge their suspect. Police officers from across Bedfordshire have to come to terms with the fact that one of their own, a colleague and someone some regard as a friend, is a corrupt cop. This is real-life drama at its most intense.