Mark Corley is a Los Angeles police detective who visits his estranged teenage son, Trent, having landed in jail due to brawling just as an alien invasion begins and the entire population of the city is sucked into various spaceships by the blue light. Mark leads a group of surviving humans through the underground subway tunnels to try to escape from the various aliens. (Wikipedia)
A tough-as-nails detective embarks on a relentless pursuit to free his son from a nightmarish alien warship.
