“Where There’s Smoke There’s Fire” – Jenny and Beau investigate the mysterious death of a rookie smokejumper while Cassie picks apart Walter’s story, convinced something isn’t adding up. Meanwhile, Emily finds herself at Dewell and Hoyt while trying to keep busy, and Sunny and Buck work to put themselves back together after Walter’s arrest, leading her to reveal her biggest secret to Cormac and testing his allegiance in the process on “Big Sky: Deadly Trails,” WEDNESDAY, NOV. 30 (10:00-11:00 p.m. EST), on ABC. (TV-14, LV) Watch episodes on demand and on Hulu the day following their premieres.