The Horse Boy

The Horse Boy is a documentary feature film about the quest of British journalist Rupert Isaacson and his wife, Kristen Neff, to find healing for their autistic son, Rowan, after discovering that Rowan's condition appears to be improved by contact with horses. The family leave their home in Texas for an arduous journey to Mongolia. It premiered at the 2009 Sundance Film Festival under the name Over the Hills and Far Away.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.