Masked figures with machine guns march into the secondary school in Karatas, take the pupils hostage, and execute one of them. They make no demands. Silent terror is their modus operandi. Seeing as the army will take two days to arrive due to a snowstorm, maths teacher Tazshi decides to assemble...
At first glance, this is a story about an ordinary family who recently moved into a large country house. Karina, her husband Renat and Karina's younger sister Alice. The family idyll is disrupted at the moment when the girl begins to realize that someone else lives in the house...
