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.

With Roach feeling the pressure from inside and outside of his organization he becomes convinced that there is a traitor at work. As he attempts to find them he unleashes an unpleasant surprise for the Unit leading to a showdown.