From an early German folk tale. When the queen dies, a witch plans to ensnare the king. Placing a spell on him they plan to marry. She curses the king's children, three boys and a daughter, they stand in her way of power. But the queen tries to rid herself of her rivals and the king, afraid for his children, shows a place of safety and secrecy for them. But the queen, catches the 3 princes and turns them into ravens and the princess runs for her life. Her brothers, now as ravens tell her that she must not speak for 3 years, 3 months, 3 weeks and 3 days to break the curse. Not a word and not a note. Time passes and a prince comes by, still she does not speak and eventually they plan to marry and he takes her back to his home. There, a king greets them and so does his new wife - the witch! But the princess cannot speak. They have a child, but she still doesn't speak. The baby disappears and still she doesn't speak. Another baby is born and this one disappears. (thetvdb.com)