Following a bomb scare in the 1960s that locked the Webers into their bomb shelter for 35 years, Adam now ventures forth into Los Angeles to obtain food and supplies for his family, and a non-mutant wife for himself.

After a terrible air disaster, survivor Max Klein emerges a changed person. Unable to connect to his former life or to wife Laura, he feels godlike and invulnerable. When psychologist Bill Perlman is unable to help Max, he has Max meet another survivor, Carla Rodrigo, who is racked with grief and guilt since her baby died in the crash which she and Max survived.