In the Ural Mountains, nine students go on a ski hike, but never return. Local investigators must piece together what happened to them when their bodies are found a month later.
S1 E1: Episode 1
In 1959, after a group of nine student hikers are found dead in the Ural Mountains, KGB Major Oleg Kostin is sent to investigate. During the autopsy, Oleg has a flashback of a disturbing memory from WWII.