At the outbreak of World War One, Joey, young Albert’s beloved horse, is sold to the Cavalry and shipped to France. He’s soon caught up in enemy fire, and fate takes him on an extraordinary journey, serving on both sides before finding himself alone in No Man’s Land. Albert, who remained on his parents’ Devon farm, cannot forget Joey. Though still not old enough to enlist, he embarks on a treacherous mission to find Joey and bring him home.