After the atomic war, America turned into a dark, mystical version of the Wild West. The world is ruled by a revolver, cruelty and magic. Death is too important a matter to be left to adults. A one-armed gunslinger and two children - a boy, Jack and a girl, Betty - go different ways, through years and distances, towards a common goal - a rusty atomic bomb in the middle of a dry salt lake. They want one thing - retribution and revenge. But what will they get in return?..