A group of wayward teens at a wilderness boot camp must fight for their lives against the attacks of a ruthless blood-sucking alien. The attacks begin after they discover a strange "orb" in...After a group of wayward teens at a wilderness boot camp break a strange 'orb' in the middle of the desert, they begin to experience attacks from a ruthless blood-sucking alien. With no chance of rescue, and nowhere to hide, they decide their only chance for survival is to fight for their lives.