Story : The last episode in the series features the final part of the investigation into Ray Teret, a Manchester DJ and friend of Jimmy Savile, charged with a string of historic sexual offences against 17 women. During Teret's eight-week trial, it follows detectives Rod and Carol through the last chapter of their investigation. After almost two years of painstaking work to build a case against Teret, it is now down to a jury to decide if he is guilty.