In 1933 a boy discovers an ancient Native American in a sideshow carnival tent. The Indian is Tonto (Johnny Depp), the old companion of John Reid (Armie Hammer), a lawman more famously known as the Lone Ranger. With this opportunity to set the record straight about his and Reid's adventures, Tonto recalls the day in 1869 when he first encountered the man who would be his trusted friend and tells of their teamwork bringing down Butch Cavendish (William Fichtner) and other Old West outlaws.

Megan (Jodelle Ferland) will do anything to help save the family farm. She finds a wild stallion in the nearby forest and she thinks training it could be the answers to her prayers.

Mika has to spend her summer at the horse farm of her strict grandmother. She is not a real horse-fan, till she meets the wild stallion Ostwind. Through her special friendship with this horse, she discovers that she is a real horse whisperer.

After meeting her father (Ricky Schroder) for the first time, a teen (Cambrie Schroder) develops a bond with a wild mustang that needs protection.