
In season four, Mike's control over Kingstown is threatened as new players compete to fill the power vacuum left in the Russians' wake, compelling him to confront the resulting gang war and stop them from swallowing the town. Meanwhile, with those he loves in more danger than ever before, Mike must contend with a headstrong new Warden to protect his own while grappling with demons from his past.

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

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

Confronted with the cartel's unexpected strength, Mike responds.

New dangers threaten Mike's family as Callahan comes back into focus.

The cartel war reaches new heights as Mike makes a bargain with the devil.

Mike lays a dangerous trap while a prison break puts the town in peril. Hobbs extends an olive branch to Mike.

After tragedy strikes close to home, Mike risks everything to save his brother. Inside the prison, tensions reach a breaking point, and an active threat forces Cindy's hand.

Mike fights to prevent Kyle from following in his footsteps and confronts the demons of his past. Hobbs makes a crucial decision as Bunny gains a new advantage.