The jungle hero goes to Brazil to investigate the murder of an old friend working for the government. He discovers the culprits are an evil cult of animal worshippers and fights to stop them from enslaving the peaceful tribes living along the Amazon river. Action adventure, starring Mike Henry and Jan Murray.

Tarzan is summoned to Brazil by an old friend to stop an evil tribal cult from destroying native villages and enslaving the survivors. The Lord of the Jungle is accompanied on his quest by a pretty blonde doctor, a boy and a grizzled sea captain.