Buck Brannaman escaped an abusive childhood in Montana and Idaho to become a master teacher of horsemanship and the main inspiration for the book and the movie The Horse Whisperer. First-time documentarian Cindy Meehl follows the humble, authoritative cowboy an American ideal of grace and hard work over adversity as he travels the country giving his famous clinics for ''horses with people problems.'' The result is a portrait that expertly mirrors its subject: Buck is shaped with the same economy, restraint, and unfussiness as the man, to unexpectedly inspiring effect. (Also available on demand) A–

