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 café dancer bluffs a Mexican landowner to save her lover.

Flora Hawks is in love with the overseer of Tarzan's African estate. After a search for a legendary city of diamonds, Tarzon races with his pet lion Jad-bal-ja to save Haws from being sacrificed to a lion-god.

Mary Linden is the secretary who is the unheralded power behind successful executive James Duneen. He takes her for granted until rival Wales tries to take her away from him.