There once was a poor miller who had no children but only three apprentices to work for him. The two older boys were lazy, mean and stupid, but youngest was hard-working, friendly, and cheerful. When the miller grows too old to work, he send the boys out into the world. Whoever brings back the most beautiful horse will inherit the mill.
Sorry, but for now we weren't able to find movies like The Poor Miller's Boy and the Kitten.