Reunited at the wedding of their mother Helen (Glenn Close), the brothers learn that their dad wasn’t a husband who died when they were young, but an unknown out of many possible sexual assignations their mother had in the swinging ’70s.
The toymaker Winslow Schott (Sherman Hemsley) gets fired from his job along with his secretary Margaret Duffy (Isabel Sanford).
Deciding to take revenge, he invents a new toy named “Space Rats” that includes a substance which when someone is sprayed with, it makes adults act like children and children be greedy.
Superman gets sick and Lois asks her father’s help.
Sam explains that the only cure will be if Superman gets very close to death since that way the virus will die too.
Everyone at the Daily Planet is affected, including Clark, and they start fighting over gifts.