Once upon a time, there were three sisters. Two older nasty and ugly, youngest Aninka, nice and pretty. They made her a maid and chased her from work to work. Once Aninka found a bird feather. She stroked it, kissed it, and Prince Vítek appeared in front of her, who was turned into bird by insulted princess - the witch – when he refused to marry her. Vítek and Aninka fall in love. However sisters found out that she is seeing someone, broke the feather and Vitek disappeared. Aninka escapes from home to the world to find him.