Arvid Nelson (adaptation); Edgar Rice Burroughs (original novel)
John Clayton, Lord Greystoke; Alice Clayton, Lady Greystoke; Tarzan; Kerchak (unnamed); Kala (unnamed); Black Michael (unnamed)
Lord and Lady Greystoke are marooned on a jungle coast by mutineers. They build a treehouse. Lady Greystoke gives birth and dies with her husband killed almost immediately by Kerchak. Kala exchanges her baby, murdered by Kerchak, with the Greystoke child.