The setting is Earth in the year 2087, when the world is controlled by Cyborgs, a race of humans whose minds are surgically altered to prevent free thought. Rennie plays Cyborg Garth, a rebellious member who steals a time machine and returns to the year 1965. Here he meets the scientist
who developed Cyborg technology and, in an attempt to change the future, tries to prevent any further advancements. His noble efforts, of course, save mankind from a totalitarian future. Far from subtle in its anticommunist message (the scientist is named Marx), the film is an honest attempt to
make a statement, but it is poorly executed.