Blood Bordertown : Season 3 Episode 7

Jack and Clive hire Couteau to track an outlaw who robbed a bank in Helena, but they are unaware that the outlaw is Couteau's brother, John. Couteau enlists Marie's help to tend to the wound John received, but they are followed by a bounty hunter interested in collecting the reward. In the fight that follows, McKay kills the bounty hunter and injures Marie.