Dr Brooks (E. Alyn Warren) is captured by followers of Zar God of the Jewelled Fingers but he is soon rescued from their lost city by Tarzan (Buster Crabbe) a white man who was raised in the jungle by apes and speaks no English just a grunt from time to time. But Tarzan undertakes to locate Brooks' daughter Mary after seeing a photograph of her. Meanwhile back in the jungle Mary and Bob Hall (Edward Woods) are searching for her father. Their guides Jeff (Philo McCullough) and Nick (Matthew Betz) ..
