Horses from America's cavalry competing in the International Horse Show.
Title: "For the International Horse Show. Pick of America's Cavalry (Competing for first time) show fine promise".
M/S of a row of American soldiers on horseback standing outside a large white house. M/S of a soldier on horseback riding over a course of jumps. Various shots of soldiers on horses coming over jumps. C/U of a soldier standing next to his horse.
Note: some old records give all the location as Northam, Devon.