Mr. Buggs is an insect collector. A beautiful and mysterious Asian woman (the lovely Anna May Wong) brings him a rare specimen, but she is actually a wanted thief who has stolen a valuable brooch.

A stallion known as "The Black" is the leader of a band of wild horses. A cowboy is determined to capture and break him.

A cowboy and a wild horse find they have some things in common: both have enemies out to get them and both must save their mates from danger.