Husbands and Wives - S1.E7

After Marcellus frames bookie Nick Bennett for smuggling guns and Bennett's wife asks Mike to help clear him, Mike discovers that Jack Shannon is blackmailing Marcellus and using him to extort Bennett. Mike arranges a sit-down between Bennett and Shannon, tricks Shannon into confessing to a crime, and uses the confession which Marcellus has captured on tape to blackmail Shannon into cutting Bennett and Marcellus loose.