A who-is-it setting in the claustrophobic corridors of an abandoned and locked-off office building that has several guests invited to a party by their mysterious, unknown host. Only it is they who are the victims of their crimes. Suspense and mistrust are not the only stalker in this cat and mouse game of wits and fear. Who is the stalker? Why is he killing? And what is it exactly that everyone here has in common?

In the frozen darkness of an Alaskan winter, a mother and son turn their home into a house of nightmares — luring victims into a twisted web of abuse and cannibalism. Based on the terrifying true story of Russian serial killer Alexander Spesivtsev.