A visitor to the Everglades swamps in Florida encounters and falls in love with an uneducated girl. But he finds competition for her affections from the unlikely and mysterious A. Beauregard Lincoln. He also discovers danger from nature in the form of vicious alligators and from the mystical in the form of a voodoo witch doctor.

Common efforts of the U.S. government and the Comanche nation to negotiate a peace treaty are sabotaged by renegade Indians and by the short-sighted Indian Commissioner.