An airliner filled with 800 passengers is forced to fly fast and low, above farmlands, suburbs and skyscraper-packed cities or the tons of explosives aboard will detonate. When an elite unit of US Air Force fighter jets is sent to provide escort, they find themselves facing a squadron of unidentifiable warplanes which ignites a deadly air battle that threatens to destroy all life above and below.

A crew on a mission to rescue a marooned base on a desert planet turns deadly when the crew finds themselves hunted and attacked by the planet's apex predators: giant sand worms.