Rouletabille (Joseph Josephin) was a brilliant 18-year-old investigative journalist, raised in a religious orphanage in Eu, a small town near Fécamp, France. He was the son of an evil mastermind, but decided to put his own genius to work for the law. In his first adventure, Rouletabille opposses Ballmeyer, a notorious international criminal with many identities, who poses as police detective Frederic Larsan. Later, Rouletabille became a French secret agent, infiltrated the Krupp factories and saved Paris from being annihilated by a German missile.