It's the 1st of June 1914 and Hugh Stanton is quite literally the loneliest man on earth. No one he has ever known or loved has been born yet. Stanton knows that a terrible war is coming. He knows this because, for him, that century is already history. Somehow he must prevent the war. A war that will begin with a single bullet. But can a single bullet truly corrupt an entire century? And, if so, could another bullet save it?