Professor Barring is awarded the Nobel Prize in physics. According to Barring the scientist's sole duty is to seek the truth, even if this leads to the "gates of hell".
Sten Stensson Stéen dies when he gets a wooden box in his head, and he enters heaven in a balloon.
The film takes place in the 1780s. The Russians plan to overthrow Gustav III from the Swedish throne and Lieutenant Rehusen tries to stop them, while fighting for his king, he also fights for his love.
