An unlikely detective duo fights to stop an anarchist plot to bomb the 1916 Preparedness Day Parade in San Francisco. A year after the 1915 San Francisco World's Fair, detective Randall Blackburn is still in shock from his own personal tragedy. His mourning, however, is cut short by a plea for help from City Hall. With the Preparedness Day Parade planned to celebrate America's coming entry into the Great War, a group...