The DNA test results are in for Bob, Cunningham sacks a superintendent, and it's a big day as Paul goes undercover to expose an organised crime group.

Julie plots Cunningham's downfall, Afia takes a new approach to Jasim, and Bob thinks that one of the recruits may be a long-lost child of his.

Bob is oblivious to Melanie and Daz getting physical, Dev dreads wearing glasses, and someone uncovers a photographic memory.

B Group learn how to restrain awkward suspects, but Danni feeling strangely sensitive makes things potentially embarrassing when physical contact is required.

Geeta tries to back out when she is voted Year Rep against her will, and Bob and Julie get a shock when Cunningham plans to merge their superintendent positions.

Return of the sitcom set in a charmingly dysfunctional police training college. Bob and Julie compete to go on a trip to the Bahamas with the Chief Superintendent.