Residents (Steven Pasquale, Reiko Aylesworth, John Ortiz) of Gunnison, Colorado, are caught up in the crossfire when two deadly extraterrestrial species bring their longstanding conflict to Earth. On the one side, nearly indestructible Aliens; on the other, a lone Predator whose mission is to wipe out all traces of the Alien infestation from Earth, no matter who gets in the way.