In March 1914, a mining engineer named Richard Hannay tries to prevent Prussian Agents from executing a political assassination designed to trigger World War I.In March 1914, a mining engineer named Richard Hannay tries to prevent Prussian Agents from executing a political assassination designed to trigger World War I.In March 1914, a mining engineer named Richard Hannay tries to prevent Prussian Agents from executing a political assassination designed to trigger World War I.