Title reads: "Rodney shells Alderney".

Off French coast, near Channel islands.

L/S of battleship HMS Rodney at sea. Various L/Ss of convoys of ships and barrage balloons crossing Channel. Various shots of below of British destroyer, we see gun crews getting ready (putting on flak jackets and anti-flash helmets etc.). L/S of HMS Rodney off Cherbourg Peninsular, France. Various good shots of gunners on destroyer loading one ton shells into guns. Various shots of shells being fired over peninsula to German occupied island of Alderney. Various C/Us of sailors and officers looking through binoculars and telescopes to see the damage they have done.

Note: cameraman filming gunners at work is Jock Gemmell. Narrator mentions him by name.