Located among the countries of Russia, Austria, and Germany is the charming and compact nation of Apfelland. Charlottenburg, the capital city, serves as home to Vel, a young lad who became entangled with a girl named Frid. She had been abducted due to the discovery of a radium mine within her grandfather's abandoned mine. As a result, numerous individuals flocked to the mine with intentions such as financial gain, revolutionary pursuits, and governmental schemes to align with Germany. Vel and Frida found themselves embroiled in their plots and privy to the mine's secrets.