Brothers Mitch and Mike McLusky navigate Kingstown, home to multiple prisons, as they act as the liaisons between prisoners and the community; when a young guard, Sam, is set up to deliver a letter for a prisoner, Mike works to get him off the hook.

Local gang leader Bunny is upset when one of his guys gets taken off the yard; Mike brokers a deal, and is later visited by two FBI agents whom Mitch worked for; Milo has instructions for Josef on how to get closer to Mike.

After a tragic accident has deadly consequences, an all-out manhunt ensues; Mike reaches out to a former prison contact.

Kyle and Ian are questioned by internal affairs in the wake of the shootout; Bunny asks Mike for help with a close family member.

When a fight breaks out on the yard, Sam finds himself in trouble again; Milo goes to extreme lengths to get what he wants; Mike sends a message.