After wandering a ruined city for years in search of food and shelter, two siblings find their way into one of the last remaining buildings. Inside, they find a man who will make them a dangerous offer to survive the outside world.</p>

A monster stalks the corridors of an abandoned mansion, targeting those curious enough to find themselves inside. Two friends break in and discover that all exits have been sealed off. The creature that hunts them is growing hungry for their blood and there is no escape…