Movie Story : When humanity sends a radio message into deep space, a response arrives from a distant world called Planet G in the form of alien vessels that crash into the ocean near Hawaii. Lieutenant Alex Hopper, a weapons officer aboard the USS John Paul Jones, joins an international naval fleet that becomes the planet's last line of defense against an enemy of incredible power. Amid the battle, Hopper struggles to prove himself worthy of the expectations set by his brother and by his fiancée's father, an admiral.