The extraordinary and deeply moving true story of the million British horses who served in World War I. It is told using rare archival materials and testimony, combined with the latest historical research. The story begins with the mass call-up of horses from every farm in Britain and follows their journey through the war. When the war ended, only 60,000 horses made it back to Britain and the most famous war horse to return in glory was Warrior. His...

The documentary takes a look at where World War I war horses came from, how they were taken care of, and how they were integral to ending the war.