The story of an alternate 1980s where the U.S. is hit by a wave of nuclear attacks, and after the fallout those who remain, pretend like everything is normal even though they are all experiencing radiation poisoning. A young girl named Mayday tries to make contact on a series of ham radios with her father who is in space on a shuttle mission. Instead of making contact she receives an intergalactic distress call from space that leads her on a journey to Spacerock, the land where Area 51 once was.