Imagine that right now, directly beneath you, someone is lost underground and desperately calling for help. A group of four people are trying to find the legendary catacombs of old Prague, but their expedition into the labyrinth of medieval corridors turns into a fight for their lives. Which is more dangerous: an inaccurate map or an ancient secret?

Two men, one in a stolen vehicle and the other drunk, drive along a backroad to avoid city traffic. Suddenly both cars collide with an SUV and they are unwittingly drawn into a game of survival with a deranged rifle-wielding assassin out for blood.

Carefree Jindřiška (23) discovers that her father owes a lot of money when debt collectors arrive to confiscate their house. In a single day, Jindřiška's world falls apart, forcing her to choose between helping her father or saving herself before it's too late.