Just as Val McKee and Earl Basset decide to leave Perfection, Nevada, strange rumblings prevent their departure. With the help of a shapely seismology student, they discover their desolate town is infested with gigantic man-eating creatures that live below the ground. The race is on to overcome these slimy subterraneans and find a way to higher ground in this sci-fi adventure. © 1989 Universal Studios. All Rights Reserved.