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.

When an alien prison ship crash lands and unleashes creature after creature in the California desert, they make quick work of the army that tries to stop them. Now, the only hope of stopping the aliens rests with a secret branch of the government specializing in alien weaponry. But with the team untested in actual combat, the battle for Earth will be brutal.

A game ranger arresting poachers ends up saving their lives when zombie animals attack them in the jungle. Now surrounded, the game ranger and poachers forge uneasy alliance to stop the beasts before the super-zombie virus spreads to entire world.