The season premiered on September 21, 2022, on ABC.
The season centers on , a luxury glamping business run by the matriarch Sunny Barnes (played by Reba McEntire). When a backpacker goes missing near the camp, Cassie and Jenny are drawn into a web of family secrets, mountain lore, and a murderous threat lurking in the woods. Unlike previous seasons that focused on human trafficking or drug cartels, Season 3 leans into the "wilderness horror" and family drama elements of the Montana setting. Key Characters and Cast
Season 3 served as the series finale, as ABC officially cancelled the show in May 2023. Big Sky (S03)
The third season of the crime thriller series , subtitled Deadly Trails , follows private detective Cassie Dewell and undersheriff Jenny Hoyt as they investigate a new mystery involving a backcountry outfitter and a series of disappearances in the Montana wilderness. Core Plot and Premise
The season’s primary antagonist—a protective mother and business owner who will go to extreme lengths to keep her family’s dark secrets hidden. The season premiered on September 21, 2022, on ABC
Critics noted that Reba McEntire's performance added a unique "folksy yet menacing" energy to the show, shifting the tone slightly from earlier seasons.
Sunny’s husband, who assists in managing the excursions and the darker tasks required to protect their legacy. Major Themes Unlike previous seasons that focused on human trafficking
The tough undersheriff working within the legal system to bring criminals to justice.