A Night at Karlstein

Charles IV, Czech king and Holy Roman Emperor, has built Karlstejn castle to house the crown jewels. More importantly, it is a place of relaxation and meditation, so no women are permitted, and no politics are to be discussed. His young wife misses him, and hearing of the prohibition, resolves to sneak in for a night. At the same time, a country girl needs to prove she has spent one night at Karlstejn to get her potential fiance's father to agree to let her marry him...