Deep in a wintry forest, an abandoned boy struggles to protect his little sister from an infection that turns people into a feral-like state, a ruthless militia leader searching for his missing daughter, and Government agents hunting them.
Near future. Mankind is successfully exploring space: now a huge Delta station is located in the earth's orbit. Maksim Bortnikov is one of the members of the station repair team. An unexpected catastrophe caused by a proton storm cuts off Maksim from the rest, and he is left alone in outer space.
A group of friends take their recently sober friend, to the remote Hills to help him stay clean. But when eerie events unfold and people start disappearing, they must question whether it's the Boogeyman or their own unraveling minds.