The focus shifts to other complex cases in Helena, Montana. Season 3, subtitled Deadly Trails , follows the trio (now including Sheriff Beau Arlen) as they investigate a hiking trip gone wrong led by a charismatic outfitter named Sunny Barnes. Main Cast & Characters Role Description Kylie Bunbury Cassie Dewell
The interim Sheriff introduced as a series regular in Season 3. Sunny Barnes A Season 3 antagonist and owner of Sunny Day Excursions.
The series begins with a high-stakes search for two sisters, Danielle and Grace Sullivan, who are kidnapped by a long-haul trucker on a remote Montana highway.
