Van Dyke and is based on the 1929 Pulitzer Prize-winning novel of the same name by Oliver La Farge.

Many members of the Navajo tribe shun Slim Girl, believing her to be leading an improper life, perhaps even as a prostitute.

After losing a horse race, he challenges rival Red Man to a wrestling match and wins.

One day Slim Girl seeks out Laughing Boy, becomes his lover, and persuades him to marry her.

But when she goes to town to sell his silver goods, Laughing Boy follows and finds her in Hartshorne's arms.