 Johnny Weissmuller (Johnny Weissmuller) is called in by the government to investigate thefts of cobalt from a jungle mine owned by John King (Steve Darrell) and his ward, Luora (Judy Walsh). He discovers natives led by King and Luora, who are selling the cobalt to a foreign government, are responsible. John s brother, Arnold King (David Bruce) and Johnny are captured and doomed by the natives...