A mentally unstable young man goes on a mission to hunt down and murder all the therapists he blames for messing up his mind and his life.

A group of UAC Marines responds to a distress call from a top-secret scientific base on Phobos, a Martian moon, only to discover it’s been overrun by demons.

Weekend campers, an escaped convict, young lovers and a police officer experience a night of terror when a hostile visitor from another world descends on a small Arizona town.