Former SWAT leader David Hendrix and hard-partying movie star Brody Walker must cut their ride-along short when a police training facility is attacked by a team of mercenaries.

Detective Mark Corley storms his way onto an alien spaceship to rescue his estranged son. When the ship crashes in Southeast Asia, he forges an alliance with a band of survivors to take back the planet once and for all.

A writer who studies the paranormal believes that low frequency tactile sound is the cause for reported ghost sightings in an abandoned subway station. In an attempt to debunk the sightings, she breaks into the station to record evidence.