By 1917, German U-boats are running amok amongst Allied shipping, threatening the war effort. The British Royal Navy decides to launch an attack against the German submarine base at Zeebrugge harbour to neutralize these U-boats, an operation guaranteed to be one of the most dangerous of the First World War.
Cover artwork: "Comfort of a Bed of Roses" by James Gillray, courtesy of Look and Learn History Picture Archive.
Music by Lexin Music from Pixabay.