An extremely fortunate and wealthy king lives with his beautiful wife and daughter. The source of the king's riches is his prized, marvelous donkey whose droppings are gold. Suddenly the king's wife is struck by an illness and dies, but not before making her husband promise not to remarry except to a woman whose beauty and attributes equal hers. The king grieves for a lengthy period, but is finally persuaded to seek another wife. It becomes clear that the only woman who fits the promise is his daughter.