Plot summary
The discovery that one of Challenger's old friends from London is living on the plateau with his daughter causes Challenger some concern considering he was at the girl's funeral fifteen years ago. Furthermore, Veronica's disappearance coupled with encounters with armed, intelligent ape men, lead Roxton and Challenger to uncover the secret genetic experimentation being carried out by Dr. Hargrove. Meanwhile, a faint image in a photograph helps Summerlee, Marguerite and Malone locate an elderly woman, who claims to be an exiled fairy queen, who may have access to a radio transmitter, however she is only willing to divulge its location in exchange for help in breaking her curse, all she requires is a few drops of blood from a virgin.
Credits
Adapted from Wikipedia contributors, List of The Lost World episodes. HTML formatting and reference markers removed.