(Reel 1) The film starts with U-35 casting off at Cattaro (not Trieste as given) and passing the Austrian fleet at anchor. The crew of the captured SS Parkgate row to U-35 which the English captain boards. The destruction party goes to the Parkgate which is then shelled and sunk, boilers exploding. SS Maplewood is sunk by a torpedo after the crew abandon ship. Cleaning guns. Captain von Arnauld de la Perire on the conning tower. India and Stromboli are boarded and sunk.

(Reel 2) De la Perire and a warrant officer take sightings of the sun. SS Corfu is shelled and sunk. The U-Boat crew on deck. The boat passes through heavy seas. Nentmoor is shelled and sunk. The captain crosses off the names of ships sunk in Lloyd's Register. Five captured English captains take a stroll on the deck of U-35. The crew of U-35 bathe in "the Mediterranean" (Atlantic in the original). The schooner Miss Morris sinks after the crew abandon it. Turtles "from the schooner" are lifted aboard (no indication that the turtles are cargo in the original). The captain writes a wireless message. Meeting the cruiser SMS Heligoland. Entering the Bay of Cattaro bedecked with pennants. De la Perire leaves U-35. Crew open letters from home. Finally, surrendered U-boats at Harwich including de la Perire's subsequent command, the U-139.

British adaptation of the German film which records the U-35 sinking merchant shipping in the western Mediterranean and west of Gibraltar, 31st March-6th May 1917. The captions describe heroic fights put up by British vessels with additional film of U-boats at Harwich after the Armistice, proving that "Britannia rules the waves".

Notes

Summary: the original German version of this film is held as GWY 784. For details of the Museum's restoration on the film and the subsequent publication of both titles, see the catalogue entry under that number.