Having brought the apparently simple-minded Flora Keiry to London, Professor Lark and John Cornelius uncover the sinister nature of her true identity - and realize the authorities must be alerted...

Starring Peter Cushing and Vincent Price.

John Cornelius .... Peter Cushing

Written by Rene Basilico from an idea by Robert Holmes.

Producer: John Dyas

First broadcast on BBC Radio 4 in January 1977.