Robert is a SF writer, who realizes that he can make his thoughts material. Because of that, a group of aliens arrives to Earth. Their leader is Andra, who shows affection for Robert, which does not please his girlfriend, Biba. A monster, Mumu, has arrived together with the visitors from space.
An escort composed of three people transports a huge amount of new one-hundred crown banknotes in a special railway car. At the 196th kilometer, a village girl is waiting at the railway crossing and spots two men removing some packages from the track. The scene is immediately followed by the report of a gun and the unwanted witness is shot dead. Soon afterwards, on the 201st kilometer, the train explodes. Only one of the escorts Lenk (Radoslav Brzobohatý) survives the explosion, taken to hospital with serious injuries. Criminologist Major Kalas (Jirí Sovák) and the very young Second Lieutenant Karlícek (Jaromír Hanzlík) patiently gather facts, leads and testimonies.
An ordinary country girl is entering life with only a very vague idea of her future. Dissatisfied with her monotonous job in the village, she commutes every morning to the city, where she has found a job that is equally stereotypical and depressing. She has only one simple goal: to have a boyfriend, then get married and start a family. But in the fate of her more pioneering friend, she sees that even achieving this goal has its downsides. She herself experiences her first disappointment in love and her first harsh life experience...
