The Road Back - S1.E5

Gary, the man who works for a drug dealer agrees to testify against his boss, Brock. While his friend, Mark decides not to. They were being brought to the D.A. in a police car but Brock helps them escape. Now Gary decides to turn to Billy and Mentor for help. They decide to go into Brock's office to get the evidence they need to use against him. But Mark might not be on their side.