Brave sons of the king, twin brothers Jaroslav and Jaromír love and help each other. It was they and another brother - Jindrich, who once saw the portrait of Princess of Diamond Mountains, fell in love and went on her quest.
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.
A young Polish deserter and gifted organist finds shelter from the fascists in a Slovak Franciscan monastery. He find himself in conflict with the local organist and choir leader, a man limited in his world views and spiritual values.
