Upon realizing that something truly evil haunts his home, Steve Freeling calls in a team of parapsychologists to help before it's too late.

A space shuttle mission investigating Halley's Comet brings back a malevolent race of space vampires who transform most of London's population into zombies. The only survivor of the expedition ...

Five friends head out to rural Texas to visit the grave of a grandfather. On the way they stumble across what appears to be a deserted house, only to discover something sinister within. Something ...