The series centered around the six survivors of a world nuclear holocaust. The six of them live together in an abandoned farm house while trying to survive and re-establish civilization.
The survivors decide that they should reproduce in order to increase the population, but Mark is suffering from impotence. Mark believes the survivors need to know each other better before they can introduce children to their community.
Curtis becomes devastated after the loss of his necktie. When it is found again and he puts it on, he somehow believes he is in the year 1986, before the nuclear holocaust happened.