The First World War - carnage on a scale never-before seen. But how did it all start? And how did some key figures of WWII fare in the earlier war? In three episodes we trace their careers back to the battlefields of WWI, including Adolf Hitler, Bernard L. Montgomery, Hermann Goering, Charles de Gaulle, George S. Patton and Walter Model. Their personal stories are set against the backdrop of a bigger political and strategic reality. Carefully restored and colourised archive combined with re-enactments and personal testimonies portray individual fates, providing the detail behind the bigger picture.