October 1914: The British line is about to break.
After two months of hard fighting, the British Expeditionary Force is short of men, ammunition, and ideas. With their line stretched to the breaking point, aerial reconnaissance spots German reinforcements massing for the big push. As their trenches are hammered by a German artillery battery, the men of the Oxfordshire and Buckinghamshire Light Infantry come up with a desperate plan—a daring raid behind enemy lines to destroy the enemy guns, and give the British a chance to stop the German army from breaking through.