Based on the real-life Dyatlov Pass incident in 1959, this mystery investigates the gruesome deaths of nine student hikers in Russia.

In 1959, KGB Major Oleg Kostin is sent to investigate when nine student hikers are found dead in the Ural Mountains. During the autopsy, Oleg flashes back to a disturbing WWII memory. He soon discovers his first key lead.

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In 1959, KGB Major Oleg Kostin is sent to investigate when nine student hikers are found dead in the Ural Mountains.

Episode 1

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.”

Before their death, the hikers learn about “The Dead Mountain.”

Episode 2

Oleg heads to Moscow to look further into the file of Alexander Zolotarev, the oldest member of the group, and makes a surprising discovery about his body. Later he has another flashback from the war and decides to set out for the pass on his own.

Oleg digs deeper into one hiker and decides to set out for the pass on his own.