After Ronald (Brian Geraghty) escapes as Wolf (John Carroll Lynch) and Mark (Omar Metwally) end up shooting each other over Ronald's fate, Cassie (Kylie Bunbury) makes her way to the scene in pursuit. Unfortunately for her, Ronald has the element of surprise, and gets the upper hand. From 'A Good Boy,' season 2, episode 12 of 'Big Sky.' Watch 'Big Sky' THURSDAYS 10/9c on ABC. Stream on Hulu.