The Bill: Conviction: Riot City

Part five of six. Tensions mount between Callum and Smithy as the Sun Hill officers undergo extra riot control training, and the two sergeants come to blows. A witness unexpectedly confirms the details of Jason Devlin's beating, and Smithy finds his career is on the line. Heaton tells Rachel he needs a good result on the case as he is leaving Sun Hill to set up a dedicated unit to tackle human trafficking - and wants her to join him