Roach is feeling the pressure and so turns to a new supplier known as The Viking. However, the Unit are already monitoring the terrifying and ruthless Viking. An old friend of Ash puts her life in danger trying to assist him.

Roach turns to Yorkie, a violent armed robber, to try and solve his cash flow problems. The Unit are disturbed by the info they have on Yorkie but he could prove useful in penetrating the gang AND keeping the police off their backs.