Big Sky 3x13 "That Old Feeling" Season 3 Episode 13 Promo (Season Finale) - With Denise and Emily's lives on the line, Jenny and Beau are determined to bring the Bleeding Heart Killer to justice, no matter what it takes. Meanwhile, Cassie uses her connections to pin down their possible location; and Sunny makes a fiery decision that will change her family forever, but will it all be enough to save the ones they love?