Son of Holmes
In 1915 Auguste Lupa is asked to join the weekly homemade-beer-and-conversation sessions of undercover French spy Jules Giraud, who is on the trail of a master German saboteur with designs on the nearby armory in St. Etienne. At Lupa's first meeting withGiraud's group, a member is killed with poisoned beer. Convinced that this murder is the work of the German spy, Giraud enlists Lupa in finding the culprit.