Grand Duke Konstanty marries Countess Joanna Grudzińska. However, Joanna still loves Major Łukasiński, and she agreed to the marriage out of a sense of patriotic duty. Łukasiński is arrested. The November Uprising breaks out. The conspirators capture Belweder Palace. Joanna hides Konstanty...
Ryszard Malewicz, a young inventor, is out of work. He had been waiting for months for a response from the ministry to which he had sent plans for his invention, an explosive of extraordinary power. Desperate Ryszard is comforted by his mother and his fiancée Maria.