Eamon and Amanda meet to discuss a way to end the war, but the proposal does not go over well with her. Jimmy and Michael meet at the crossroads, and the family gathers for Jamie's memorial service.

Frank visits his brother Bren in jail and remembers why he is not a man to be trifled with. Danger lurks around every corner, and Amanda and Michael come to a realization.

Amanda is hellbent on making Viking pay for his actions, while Eamon takes part in an Ayahuasca ceremony with his cancer-ridden ex-wife, and Michael has another ill-fated meeting with a daughter whom he cannot protect.

With the Kinsella family now in serious danger, Amanda takes action.

The walls are closing in. The Kinsellas are blacklisted by Eamon Cunningham, but necessity is the mother of invention. Amanda pitches an idea to force Cunningham back onto his heels.

The Kinsellas bury one of their own as they prepare for an all-out war with the Cunninghams. Michael and Jimmy set a plan in motion for revenge and Amanda orders her first hit

The Kinsellas deal with the fallout of Cunningham's retaliation, while Mikey is torn between wanting to help Jimmy seek revenge and staying out of the fray so he can see Anna again.

The Kinsellas are a small but tight-knit crime family in Dublin, Ireland, increasingly at odds with a powerful drug cartel. When the hotheaded son of Frank Kinsella gets into a violent confrontation with one of Eamon's men, the Cunninghams retaliate.