World War One - collection of footage of army artillery in action. M/S of soldiers in great coats riding towards the camera. M/S of soldiers on horseback - soldiers load special packs on the side of the saddles with large shells. Horses move off. Intertitle reads:

"Knee deep in mud." Horses are led across very muddy ground. Seems to be some sort of camp where ammunition is being collected. L/S of horses passing by piles of boxes. M/S of large number of horses being ridden towards camera. Each man has another horse beside him which carries the packs. The horses have to walk though a deep puddle. M/S of soldiers operating a large gun. Good shot as the gun is loaded and fired after the men stand aside. Shot from behind the gun as it is fired again.

"6-Inch Howitzers in action shelling the German First Line Trenches of Mametz." Panning L/S of countryside. Men stand around, horses at rest. L/S of several guns being manned. L/S of gun barrel seen poking out from a bunker protected by lots of sandbags. The gun is fired . Shot from inside the bunker as soldiers load and fire the gun. Exterior shot of the bunker. M/S of soldiers carrying some sort of ammunition? Large pile of these round shells ("Plum Puddings"?) being moved and picked up by soldiers. Officers direct the men.

"Firing Plum Puddings From Trench Mortars." C/U from inside a trench of the mortar gun being loaded. We see two soldiers load the gun then clamber into the trench towards the camera as the gun goes off behind them, then load and fire another.

"Bombarding the Germans with 9-2 Inch Howitzers. The Shells Tearing up the Enemy's Deep Dug-Outs." L/S of gun being loaded and fired. Closer shot of the gun being aimed and fired. L/S of explosions behind the wires. Title reads: "End of Part One." No part two found to date.