In a post-apocalyptic settlement in 1974, the inhabitants' survival is dependent on the advice of an unseen man living in a nearby cave. This dependence is tested when a band of soldiers descends on their town.

When Astronaut Colonel Cook crash lands on another planet, he promptly contacts his commanding officer, looking for a way back home. However, he is promptly told that nuclear war has destroyed earth, and as a result is stranded where he's at. It doesn't take long for him to discover that he's not the only one in the same predicament.