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

Tracy has good news for Kyle. Mike and Iris spend a peaceful day at the cabin, unaware of the trouble escalating back in town.

Kingstown Prison descends into total chaos. Mike desperately works to help stop a riot that will have serious consequences for all involved.

Mike's plan for the warring factions in Kingstown hits turbulence.

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 works every angle to protect his brother.

New dangers threaten Mike's family as Callahan comes back into focus; Mike goes toe-to-toe with Hobbs as Ian goes to great lengths to sabotage Evelyn's case against him.

Mike sends the prison a message and considers an offer from a legend.

After a power vacuum in tent city spills out into Kingstown, Mike makes a bold move to try and restore order. Iris is uneasy about her new living arrangement. Kyle finds himself in a dangerous situation.

Unfinished business haunts Kingstown as the Crips seek revenge at the hospital.

It's all hands on deck as the war spills out into the streets of Kingstown. A mistake has serious repercussions. The trust between Mike and Bunny reaches a moment of truth. Iris finds herself with nowhere else to go.

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

In the wake of the Kingstown Prison riot, violence and chaos ensue in the newly formed tent city. Mike and Bunny discuss what must be done to solve the leadership void on the inside. Kyle begins his new job with the Michigan State Police.

Mike and Ian discover a coverup that leads to an unexpected source.

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.

After a tragic accident has deadly consequences, an all-out manhunt ensues. Meanwhile, 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.

Anchor Bay is attacked from outside its prison walls. Mike takes care of some important business at Kingstown Women's Prison.

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.

Mike and Milo discuss a possible trade. Bunny makes a brazen move and later has a demand for Mike. Mariam looks to track down Jacob. Evelyn is livid with Mike.

The Mayor makes his presence known to Konstantin. Bunny brings Mike up to speed on a failed assassination attempt.

Confronted with the cartel's unexpected strength, Mike's orders weave their way through the prison; Evelyn's continued probe puts her in danger; Mike grows closer to a new C.O. while putting an old friend on notice.

Mike leverages a favor with the new powers in charge. Bunny finds himself short on patience as Anchor Bay becomes increasingly volatile. Kyle and Mike have a heart to heart. Robert gets some troubling news.

Anchor Bay gets a new inmate as Mike investigates recent deaths both inside and outside of prison walls.

Desperate to confirm the source of a spate of bombings, Mike extends an unlikely olive branch.