Tarzan is joined by a reporter and her fiance on a journey to find a boy who was abandoned in the jungle six years earlier. The search party must also battle an evil native, who is out to kill the boy and take over as chief of his brother's tribe.

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.

Tarzan and the Valley of Gold follows the iconic character as he sets out on a dangerous mission to rescue a kidnapped boy and uncover the secrets of a hidden valley filled with gold. Along the way, Tarzan faces multiple challenges including wild animals, ruthless villains, and explosive situations.