Jorinde und Joringel(1958)

In ancient times, an old sorceress lived in a mysterious castle who turned any girl who approached a man into a bird. One day, Jorine falls under the spell, is turned into a nightingale and locked in a cage. Her friend Joringel dreams that he can free her with the help of a miracle flower. After much trouble and danger, he finds the flower and frees Jorine and the other enchanted girls.