As America's last true frontier, Alaska is an ideal destination for people wanting to experience the intrinsic beauty of isolated nature - but its wilderness also provides the perfect setting for keeping secrets. Diving into its third season, the series explores the most violent night in Alaska that left seven dead, the murder of an eleven-year-old girl in an isolated Alaskan village, and evidence at the scene of a crime that reveals a horrific pre-recorded message leading to an unthinkable killer.