In the summer of 2011, countless meteorites fell to the earth, causing the coastal cities of 12 countries to be destroyed. It turned out that the meteorites were actually controlled by a group of mysterious aliens. The aliens landed on the earth with the help of meteorites and launched cruel and ruthless massacres and destruction. As the world's number one superpower, the United States naturally could not avoid this disaster. With the increase of invaders, only Los Angeles in the Western Pacific has not fallen. Marine Corps Sergeant Mike Naz (Aaron Eckhart) was ordered to join Lieutenant William Martinez's (Ramon Rodriguez) squad to prepare for a desperate fight with aliens. At this time, the alien invaders successfully landed and entered the densely populated Santa Monica area. The military decided to lure the enemy deep into the enemy and then launch an air strike on the enemy. In order to rescue the innocent, Naz and Martinez's squad rushed in without hesitation...