Big Sky 3×03 “A Brief History of Crime” Season 3 Episode 3 Promo – While investigating a scamming operation with Beau, Jenny discovers a connection to the crime that sends her reeling. Elsewhere, a camper at Sunny Day Excursions has gone missing, and Beau’s similarly stubborn daughter, Emily, is eager to solve the case. Yet, with Sunny determined to cover up loose ends, her digging might lead to more than she bargained for in the end. As all this and the hunt for the missing backpacker continue, Cassie and Denise run into a strange man on the side of the road who may just lead them down a new path on “Big Sky: Deadly Trails,” Wednesday, October 5th on ABC. Watch episodes on demand and on Hulu the day following their premieres.