07. County Line

When a dangerous errand pulls Marcus and Reggie deeper into the organization than ever before, the two are forced to intimidate a man who owes money to Nell. After a long, awkward conversation, Marcus accidentally shoots the man when his revolver goes off, leaving him and Reggie in shock. Meanwhile, Paul uncovers a connection between several unsolved cases that finally points him toward Nell, getting him closer to stopping the drug business than ever before.