First broadcast: on BBC One EastLatest broadcast: on BBC One South East
Murphy leads an operation that goes badly wrong. One officer is killed and rookie undercover cop Kim Goodall goes missing in the world of people smuggling. Show more
First broadcast: on BBC One WalesLatest broadcast: on BBC One Scotland
Crime drama series about a maverick undercover cop. A race attack lures a reluctant Murphy back to undercover policing, as all evidence points to the notorious Johnstone brothers.
First broadcast: on BBC One WalesLatest broadcast: on BBC One Scotland
Crime drama series about an undercover cop. The operation builds as Murphy earns Billy's trust, but he has to uncover the links between Drew Johnstone and an Asian criminal empire.
First broadcast: on BBC One WalesLatest broadcast: on BBC One Scotland
Crime drama series about an undercover cop. Murphy returns to the lion's den, shackled to the mad Billy Johnstone, and is drawn into a final showdown between two brothers at war.