During World War II, an American navy ship is sunk by a Japanese submarine leaving 890 crewmen stranded in shark infested waters.

Mankind must fight to survive as Earth is invaded by hostile UFOs bent on destroying the planet. As the epic battle wages on, astronauts sneak aboard the mothership where they discover a portal to the aliens' home world.

When a shower of massive meteors threatens an extinction level event on Earth, the world's greatest minds devise a dangerous plan that will take the planet off its axis in order to avoid the impact.