Michael's sting operation is jeopardized by the volatile actions of his government informant. Meanwhile, Danny takes part in a fun robbery to appease a loan shark.

Michael's attempt to nail mob boss Frankie Malatesta is jeopardized by the untimely death of his right-wing man and by a vengeful restaurateur, who seeks retribution for the murder of his nephew.

Lindsay and Jenny run into resistance from witnesses when they try to prosecute a racially charged mob killing case; Michael's investigation into Vinnie DeMaio uncover some disturbing news regarding the possibility of a prosecutor on the mob's payroll.