In 1908, an unexplained event occurred deep in the remote Siberian territory of Tunguska. Now, 16 reality-show participants descend on Tunguska, unknowing of the land's mysterious past, in a quest to survive the harsh winter and claim a large cash prize. A series of strange events begin to occur, but the contestants attribute them to ruses set up by the producers. But soon, a tragedy will make them realize that the strange occurrences are not part of the show, and they will need to work together if they want to survive.