Haneda employed various cinematic and scientific technic to explore the world of cabbage butterfly, and the result was a completely new type of educational film.
Forced behind British lines by engine problems, the Red Baron camouflages his plane, swaps uniforms with a dead soldier, and, posing as a Belgian, makes his way to a hospital.
World War II is raging, and an American general has been captured and is being held hostage in the Schloss Adler, a Bavarian castle that's nearly impossible to breach.