In the near future, on a decimated Earth, Paul and his twin sons face terror at night when ferocious creatures awaken. When Paul is nearly killed, the boys come up with a plan for survival, using everything their father taught them to keep him alive.

A group of criminals kidnaps a teenage ballet dancer, the daughter of a notorious gang leader, in order to obtain a ransom of $50 million, but over time, they discover that she is not just an ordinary girl. After the kidnappers begin to diminish, one by one, they discover, to their increasing horror, that they are locked inside with an unusual girl.