8/8 As the drama draws to a thrilling close, what will Ash need to sacrifice to conquer Roach?
7/8 The Unit are closing in on Roach, but a new player in town is one step ahead of them.
6/8 A notorious armed robber arrives in town, and Ash's past catches up with him.
5/8 The death of a young girl alerts the Unit to a batch of lethal pills.
4/8 The team race to find a dangerous new supplier before his drugs flood the streets.
3/8 A bag of dirty money could lead the team to a top criminal, but there's a price to pay.
2/8 Guns are flooding the streets - can the Unit stop them before more people are killed?
1/8 Ash seizes his chance to bring down the serious criminals in a new undercover unit.