Unicom is a powerful organization overseeing most of the world after its economic collapse. They have banned computers and robots in an attempt to insure "life, liberty, and the pursuit of economic stability". When a Unicom Synth robot infiltrates a southwest TV station and kills the manager, a revolutionary against the gestapo-like corporation, a lowly Unicom delivery man must help the rest of the station survive through the incoming "thermal storm".

The citizens of Comet Valley are being taken over by seeds from an alien plant that has taken root there. A sheriff investigates the strange goings-on.

On another planet which resembles the Old West, a die-hard pacifist is forced to re-examine his ways after an evil alien bandit and his gang murder his estranged sheriff father, take over his home town, and threaten his friends.

Bound by hate and a mystical amulet that holds the powers of life and death, two immortal wizards meet for the last time in an ancient struggle of good versus evil.