Titles read: "THE MENACE OF THE FLOOD!"
United States of America.
Quick montage of shots showing flooded land - probably in various regions across the United States. A map shows the area most affected by floods in America, around the Mississippi River and tributaries. Animated diagrams...
Animation showing us how depth charges work and are used to destroy enemy submarines.
Walsh and Barker sing the humorous song 'Dennis the Menace from Venice'.
Mr Charles Jarman explains how to fight U-boats.
The people of Ireland go on strike and challenge the menace of militarism, Dublin.
Landslide threatens promenade to destroy the promenade in Boulogne, France.
Huge convoy of Allied troops arrives in India to defend her "from the menace".
Documentary warning of the "menacing shadow" of the atomic bomb.
Footage large hull being launched. France.