"That Dirty Black Bag" is a raw, epic and romantic series about the dark side of the Far West. The story describes the 8-day clash between Arthur McCoy, played by Dominic Cooper, an incorruptible sheriff with a troubled past, and Red Bill, played by Douglas Booth, an infamous, solitary bounty hunter known for decapitating his victims and stuffing their heads into a dirty black bag, because, as he puts it, "Heads weigh less than bodies."

The drama echoes and pays homage to the classic spaghetti western, capturing the genre’s legendary irony while revolutionizing it in a modern way for new audiences. The series tells of bounty hunters, bandits and bloody vendettas, lonely souls driven by such great passions as faith, love and revenge. In the world of "That Dirty Black Bag", there are no heroes, nobody is invincible, and predators become the prey.