The Hand of Glory

Written by

Published in the collection The Lives of Harry Lime - novelization of episode 24 of the radio program of the same name as the collection.
Needing to get out of Paris, Harry Lime is on a boat where he meets Helen who is heading to a small town that Lime thinks will be a good place to lie low. He takes a room with an older couple who turn out to be would-be alchemists in need of someone to sacrifice to gain greater knowledge.