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.

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.

Mike pays Milo a visit, looking for answers. Tensions at the men’s prison reach a boiling point. Mike makes a disturbing discovery.

Kyle and Kingstown PD try to make sense of the crime scene. Mike takes matters into his own hands. Sam makes a costly mistake.