Lucas Hood is a thief who has served time in prison after betraying his accomplices. He arrives in a small town in Pennsylvania called Banshee and under false pretenses gets the position of a local sheriff. But this doesn’t mean he has forgotten about his criminal past and is serving the law. Gangsters he has once betrayed still remember about him and seek revenge. A harsh confrontation between the new sheriff and his former buddies is brewing up. Quite life of locals is disturbed by continuous murders, when the sheriff begins restoring order in the town.