Prim professor Immanuel Rath finds some of his students ogling racy photos of cabaret performer Lola Lola and visits a local club, The Blue Angel, in an attempt to catch them there. Seeing Lola perform, the teacher is filled with lust, eventually resigning his position at the school to marry the young woman. However, his marriage to a coquette -- whose job is to entice men -- proves to be more difficult than Rath imagined.
Simultaneously made French version of "Ihre Hoheit Befiehlt": An officer, posing as a deli clerk, and a princess, posing as a manicurist, meet at a ball. The court especially the prime minister oppose a marriage, for political reasons.
Following the Battle of Jena in 1806 as the French armies commanded by Napoleon overrun Prussia, a small detachment of Prussian troops take up position in a windmill and resolve fight to the last man to hold them off for as long as possible. Meanwhile, the windmill owner's daughter chooses to stay and fight alongside them.
