Quando um meteoro de enorme proporção ameaça destruir a Terra, um grupo de cientistas corre contra o tempo para encontrar uma maneira de salvar a humanidade da extinção.

Scientists discover the "Big One" is coming soon, and with it everything west of the San Andreas Fault will sink into the ocean. The scientists try to stop the quake, but as foreshocks turn California into chaos, it's a race against time.

Passengers and crew on a flight are attacked by unseen forces that threaten all aboard.