A man appears in the doorway – an unassuming figure, dressed in a work shirt, jeans, and cowboy boots. He is a medicine man who has spent decades learning ancient Navajo healing techniques. He waits for the lead rider – the patient – to dismount and then ushers him inside.

For the next hour, the spiritual leader, Alfred Gibson, conducts an "enemy way" ceremony, a form of Navajo therapy that cleanses physically and mentally ill individuals by forcing them to confront their pain.