The adopted son of Tarzan and Jane is abducted by a group of unscrupulous circus folk. The distraught parents leave the security of their jungle home and head for New York to track down their child, struggling with a series of cultural differences along the way. Adventure, starring Johnny Weissmuller, Maureen O'Sullivan and Johnny Sheffield.

Circus owner Buck Rand kidnaps Boy to perform in his show. He forces a pilot to fly him, Boy and his animal trainer out of the jungle. Tarzan and Jane follow them to New York.