In the concluding episode, the famous recruits are assigned to specialist police units for their final shifts. Haunted by events in her own past, Penny Lancaster is determined to help CID get justice for the victim of a brutal assault. Sandi Bogle is shocked by what she discovers working with a team tackling drug crime. And Katie Piper confronts her worst fears, when she has to run into a burning building to help rescue its residents.

In this episode, the celebs take on more responsibility. Former addict Marcus Brigstocke has an emotional breakthrough at a drugs raid. Jamie Laing faces down an aggressive suspect. And there's an unexpectedly moving encounter between Sandi and an offender arrested at a night club.

In this episode, Jamie takes part in a drugs raid on a ?ú100,000 cannabis farm. Sandi emotionally opens up about a family tragedy after joining an armed unit called out to confront a man wielding a knife. And when police are called to the home of an ex-soldier struggling with PTSD, Katie helps the team by drawing on her own personal trauma.