Lex Luthor is het zat om altijd maar door Superman verslagen te worden en grijpt zijn kans als de wereldleiders besluiten om alle atoomwapens te vernietigen. Hij gebruikt een haar van Superman om een eigen Supermens te maken. Superman komt erachter dat deze 'Nuclear Man' minstens net zo sterk als hij is en heeft zijn handen vol om de ravage op te lossen die Nuclear Man veroorzaakt.

Australian pediatrician Helen Caldicott delivers a lecture on the potential medical and societal consequences of a nuclear war, and advocates for nuclear disarmament. The film includes newsreel records of the beginnings of the arms race and the bombings of Hiroshima and Nagasaki, as well as film records showing the Japanese who were severely scarred and burned in the bombings.

Five activists decide to break into Swedish arms factories to disarm weapons. Sweden is one of the biggest exporters of arms in the world today. The year 2011, weapons were shipped out for a total sum of 13.9 billion SEK. Among these importers you will find countries that are already in war or violate human rights. The activists quit their jobs, leave their homes and get ready to fight for their belief. If they succeed they are not only risking being sent to prison but also getting huge damages.