Instructional film on how to ensure your air raid shelter is properly constructed.
Full title reads: "Do The Job Well!!".
VS of Anderson air raid shelter being tested with a large bomb. Film cameras are used to record the event. There is a large explosion.
Shots of people going into and out of their Anderson shelters.
CU Man and his family digging their way out of an emergency exit in his shelter.
VS of the shelters in gardens of bombed houses illustrating how the correctly constructed shelters withstood the bomb and the blast while the incorrectly made shelter is damaged and in some cases the occupants were killed or injured.
Intertitle reads: "Moral: - 'When You Take Cover, BE COVERED'."