Jackie celebrates a win in front of the cameras but, behind closed doors, he reaches a new low. A shining moment from Decourcy promises a potential future in politics, but any pride Siobhan feels for her husband is squandered by an unexpected betrayal. The Grand Jury reconvenes, and this time Sheik doesn’t get off easily. Thanks to Signa’s detective work, the Ryan family is now under the watchful eye of the Suffolk DA.

Assuming the involvement of the Campbell brothers at the Copeland territory shootout, Jackie confronts Grace, who can no longer sidestep her sons’ criminal activity. She is forced to make a terrible compromise. Resenting the outcome of a negotiation that he could not take part in, Decourcy finds comfort in the strength of Siobhan, who keeps her head even after tragedy strikes. Jenny insists on helping Maeve, whether or not that means defying Jackie.

As Boston mourns another loss, Decourcy pursues justice in and out of the courtroom. Despite his maneuvering, Jackie discovers that he can’t escape his past, while Jenny decides to finally confront hers. Cathy says goodbye to the root of her struggles. Siobhan sets her sights on a new dream.