Nine days before the group's death, the hikers pass through a small village where they learn about the region's Indigenous Mansi people, who have named the mountain they're headed toward the Dead Mountain.

As the hikers prepare for ascension, an ominous wind engulfs them, followed by an astonishing sight in the sky; perplexed, the group begins to remember the words of the Mansi locals before receiving one more warning.

The hikers search for a strange figure in the woods and take him back to camp; Zolotarev is suspicious of the new guy.

The group reaches the pass and sets up camp. As the night progresses, the conditions worsen and their struggle becomes unthinkable. Each harrowing detail fills in the puzzle pieces of what really happened to the Dyatlov hikers.