 A scifi-thriller about two young couples in their early twenties who while on a weekend trip to Area 51 in Nevada in the hope of sighting some UFO s at the site of a secret army testing ground observe some strange lights in the night-sky. They are convinced they have seen some UFOs and on their drive back through the desert in the black of night suddenly hit a human-being. The person appears to be dead. Panicked, they decide to bury the body in the desert. As they return from the grave they dug for the stranger, they cannot find their car. It seems to have mysteriously vanished. Without no other alternative the couples a forced to start marching through the desert in the dead of night only to embark upon a chilling nightmare to discover what lurks in the Umbra.