A spaceship crew discovers a crashed orbital factory worth a fortune as salvage. But when the team are attacked by a ravenous swarm of xenomorphs, they take refuge in the rusting hulk. The wreck, however, is not abandoned. Aboard is an aging billionaire industrialist, a survivor from the first human encounter with both Aliens and Predators, a man who has spent a lifetime taking vengeance upon the extraterrestrial hunters. Now his mad plans for revenge have reached apocalyptic scale, and his human visitors realize that their host may be the greatest monster of all.