August Watershed is an historical musical which tells the story of the first month of the First World War, August 1914.

August Watershed is a history film about the First World War - but it is a history film with a difference for the story is told through drama, music and song. The film focuses on the first month of World War I, August 1914, and tells the gripping and hardly-known story of how the German army almost won the war in that short time. Using a bold plan they attacked France from the undefended north, while all the French armies were lined up on the eastern border.—Official Summary