Royal Horse Guards of London and Windsor Life Guards change places.
Full title reads: "GENERAL POST! - Royal Horse Guards and Life Guards change-over from Windsor & Knightsbridge."
London and Windsor, Berkshire.
Royal Horse Guards (Blues) leaving Knigshtbridge barracks to go to Windsor to replace the Life Guards. Light Guards are going to take up the quarters of the Blues at Knightsbridge. Various shots of the mounted guards riding in opposite direction along each side of the road.