A pilot and a close friend of Jane's named Robert Canler visits Jane while Tarzan senses something bad about him, which he soon dismisses as jealousy. Robert is looking for a music box he gave to Jane, which is revealed to be a code machine, and when Jane discovers the truth he turns on her. Meanwhile, Tarzan saves an RAF pilot (who was after Robert in the first place) from Nuru and Sheeta. As Tarzan tries to stop Robert, the plane comes to the edge of a waterfall and Robert prevents Jane from certain death, but is arrested by the RAF pilot. Final episode.