[1] The film, written and directed by Jane Marsh and produced by James Beveridge, was an account of the Canadian military during the Second World War.

The film's French version is titled Canada en guerre.Canada in the 1930s was a peaceful nation with limitless potential and great resources of timberlands, prairie wheat fields and bountiful fisheries.

In cooperation with the United States, one of the great strategic projects was the Alaska Highway where Canada created the Northwest Staging Route to fly aircraft from North America to Asia.

By the fourth year of the war, Canada's fighting men and women are also engaged in battles on land, sea and air, pitted against the might of Nazi Germany and its allies.

"[4][5] Inside Fighting Canada was a compilation documentary that relied heavily on newsreel material, edited by Jane Marsh, to provide a coherent story.

"During the early years of the NFB, its creative output was largely informed by the turbulent political and social climate the world was facing.

World War II, Communism, unemployment, the role of labour unions, and working conditions were all subjects featured by the NFB during the period from 1939 to 1946".