Cassie (Kylie Bunbury) arrives home to find her front door open-and after Scarlet (Anja Savcic) threatened her, she's not taking any chances. Gun drawn, she moves slowly through the house, but finds Phoebe (Zoe Noelle Baker) at her table. What is Scarlet up to? From the 'Big Sky' season 2 finale, episode 18, 'Catch a Few Fish.' Watch 'Big Sky' on ABC. Stream on Hulu.