The first part of a duology based on Franz Kafka's short story “The Castle”. Summary: At the beginning of the First World War, a half-educated French spy is thrown behind German lines with the task of finding and neutralizing the Control Center for all railway cargo transportation in Germany. Unfortunately, this “hero” is absolutely not a hero, but on the contrary, a weakling and a rag, he would like to figure out his own problems... Will he cope with the task, will he avoid dangers, will he defeat his opponents - the “invisible man” Weidemann, his father, Colonel Muller and the main enemy - a huge computing machine, secretly created in the laboratories of the Second Reich, the evil "Mr. Count"?.. So, spy adventures in the steampunk genre.