Das blaue Licht

Also known as Sechs auf einen Streich - Das blaue Licht, Les Contes de Grimm ː La Lumière Bleue, Синя лампадка

Jakob, a soldier mistreated by the king finds in a well a mysterious blue light which turns out to be a stroke of genius. He merely wants to teach the king a lesson by asking him to temporarily stealing whatever the king values most. He doesn't expect to be brought the king's daughter...