On a Knife Edge is a father-son story about Guy and George Dull Knife that unfolds over the course of George’s coming-of-age journey. Under his father’s guidance, George becomes an activist and organizer, and begins identifying with the role of traditional Lakota warrior, which he views as his family legacy. He commits himself to the fight for social justice, but struggles with adapting the old ways and his father’s expectations to the modern-day realities of growing up on the Pine Ridge Reserva...