A school teacher discusses types of government with his class. His students find it too boring to repeatedly go over national socialism and believe that dictatorship cannot be established in modern Germany. He starts an experiment to show how easily the masses can become manipulated.

Paul wants to become an astronaut. It is his favourite game. Pauls older sister, Lisa is playing his assistant in the spaceship. Lisa meets Simon and he also joins in but when Paul's physical conditions becomes bad, the game needs to favour Paul..