The nephew of a murdered millionaire decides to track down his uncle's killer. He faces many life-threatening dangers as he tries to break into the inner circle of the sinister criminal "The Tortoise."
14 January 1922, Free City of Danzig [now Gdansk, Pomorskie, Poland]
November 3, 1912 in Berlin, Germany
10 January 1916, Giessen, Germany
May 28, 1925 in Kiel, Germany
28 December 1925, Ulm, Baden-Württemberg, Germany
October 30, 1909 in Flensburg, Schleswig-Holstein, Germany
April 12, 1912 in Marburg, Germany
18 October 1926, Zoppot, Free City of Danzig [now Sopot, Pomorskie, Poland]
December 6, 1928 in Berlin, Germany
December 7, 1909 in Altmünsterol, Alsace, Germany [now Montreux-Vieux, Haut-Rhin, France]
September 14, 1929 in Wilhelmshaven, Germany
July 23, 1938 in Berlin, Germany
January 7, 1923 in Zürich, Switzerland

