After the outbreak of the revolution, the child Marie, daughter of Louis XVI, has to flee France. For this task, Count Vavel was chosen by his father, who himself was fighting on Napoleon's side. Their final destination is a castle in Central Europe, where they set out in great danger. Meanwhile, Count Vavel's aide, the Marquis de Cambray, loyal to the king till death is captured, but remains silent, so he is imprisoned.
—mrtanaka