The survivalists begin to face external and internal threats as they work to secure food and complete their shelters. One participant comes face-to-face with one of Mongolia's deadliest predators, while another fights to overcome a debilitating health issue.
Alone puts survivalists by themselves in the wilderness, without camera crews, support teams, or producers - on a single mission to stay alive for as long as possible. The last person standing will win $500,000.