A king who had eleven sons and a daughter remarried an evil queen. She transformed the princes into swans and sent the little girl to a family of peasants. When the latter had reached the age of fifteen, she was so beautiful that the evil queen could not bear her, made her ugly and sent her deep into the forest. One day, a king came to notice her and married her but she remained silent and sad. She wanted to find her brothers in their human guise ...