Alexa Reikowski, a rookie FBI agent, embeds herself in a suspected terrorist family, after a attack on American soil.

A covert military task force tracks a mysterious energy disturbance at a secret base in New Mexico that is suspected of experimenting on alien technology. Once there, the team encounters an unknown being of extraordinary strength and speed, and the ability to control an army of mindless warriors. The trio must fight through the unstoppable hordes to prevent humanity's demise.