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.
The opera lady singer Ema Destinnová is in all her splendor at the American stages. But in Europe there rages war and she decides to return home to Bohemia.
