Berlin, 1923. Following the suicide of his brother, American circus acrobat Abel Rosenberg attempts to survive while facing unemployment, depression, alcoholism and the social decay of Germany during the Weimar Republic.
CIA agent Harry Wargrave is sent to aid Gen. Marenkov, a senior Russian official, who is defecting to the west. Wargrave decides they should travel to safety on a train across Europe, the "Atlantic Express". During the journey, they must survive attacks by terrorists and an avalanche, all planned by Russian spy-catcher Nikolai Bunin.
Berlin, 1930, during the rise of Nazism. Hermann Hermann, a Russian emigrant and chocolate manufacturer, married to the capricious Lydia, loses his temper more and more every day when dealing with his workers and other businessmen; until he meets Felix, a vagrant, who seems to be physically identical to him; a disconcerting fact that leads Hermann Hermann to plot a particular way out of a fake world he actually hates.
