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 14-episode serial in which Mala, a Polynesian in the employ of U.S. Intelligence investigates sabotage on Clipper Island. A gang of spies causes the eruption of a volcano, for which our hero is blamed. He convinces the local Princess Melani of his innocence and helps her ward off a takeover by rival high priest Porotu.

An unusual film in that it was composed of new film footage tacked onto an original film produced by M. H. Hoffman Sr. and Jr.,and never released because of the collapse and merger of the Hoffman's Liberty Company into the newly-formed Republic operation in mid-1935, and consequently has two different sets of actors and production crew members.

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.