With Rabbit dead and Emmet's death avenged, Banshee has since been nothing but a quiet town. But things begin to change when Hood eyes a risky new job, as Chayton returns railing the Kinaho to war.

Nola returns to Banshee. Proctor's mother ails from a disease. Carrie must choose between the heist and her relationship with Colonel Douglas Stowe.

Nola and Burton have a bloody confrontation. Tommy defies Chayton's orders and attacks Proctor's club. Hood's secret is threatened when a FBI agent shows up at his door, as someone close to him discovers the truth.

Carrie quits her job at the diner. Deva steals from a video game store. After Siobhan's discovery, Lucas decides to kill Proctor before leaving Banshee for good, with unforeseen consequences.

Cadi becomes a war zone when Chayton and the Red Bones attack the station with Hood, Brock, Proctor, Siobhan and the others trapped inside.

Hood copes with Siobhan's death. The FBI takes over in the hunt for Chayton. A wedge is driven between Proctor and Rebecca.