Despite her youth, Princess Lara Rispala has managed to get her kingdom Leskapur to move towards a new heyday. But one day, a catastrophe occurs in her life. She loses the "Sun Mirror", the symbol of the dignity and security of the old royal family. Lara confides in the young European and engineer Rudolf Corvin, who has long been her confidant. Together they go to the fakir Rahu. The fakir has the ability to read out all the secrets of the universe in his well. He sees that the Sun Mirror has been stolen by the prince in the neighboring kingdom of Valpur.