Based upon the final confession of Adolf Eichmann, made before his execution in Israel, of his role in Hitler's plan for the final solution.

The investigation of the melon affair, to remain undisclosed for thirty years, is led by Major Piroska Szabó, the secret girlfriend of Mr. Kálmán, the boss, with a charge against the policemen Lajos Endúros and Richard Wagner. Sitting on the terrace of their favourite snack bar, the two policemen, along with Sergeant-Major Badár, take an oath not to testify against each other, and to mislead the authorities by giving false evidence.

Eckermann (Laszlo Kistamas) is a listless computer whiz who spends most of his time lounging in a bathtub holding imaginary conversations with cartoon characters usually more popular with children than grownups. He has some friends who want to use his skills to steal some money from a local gambling joint. He works out a scheme for his friends and returns to his tub. At some point along the way, he is joined in the water by a lovely Czech refugee, who (perhaps inadvertently) makes it possible for him to die there.

The story of a childless Jewish couple in WWII-era Hungary who adopt a Hungarian boy and raise him with their values and traditions.