The Secret Rendezvous
Written by
Gilbert Frankau
Copyright 1934
Story 2 of 7 in The Seven Secrets of Marcus Orlando series, published in The Story-teller, January 1934. Reprinted as The Secret in the Citronen Gasschen in , a collection of espionage stories by Frankau, 1934.
She has been given the unflattering nickname of Frankfurt Fanny but this femme fatale is the cause of several French officers killing themselves after, each in their own way, betraying their country. Marcus Orlando is given the task of bringing this German operative down.