"She will be found."
"I think not. There is something peculiarly elusive about that housekeeper, don't you think so, Hastings? It struck me at once."
"She played her part, I suppose, and then got out in the nick of time."
"And what was her part?"
"Well, presumably to admit her confederate, the black-bearded man."
"Oh, no, that was not her part! Her part was what you have just mentioned, to provide an alibi for Mrs. Havering at the moment the shot was fired. And no one will ever find her, mon ami, because she does not exist! 'There's no sech person,' as your so great Shakespeare says."
"It was Dickens," I murmured, unable to suppress a smile. "But what do you mean, Poirot?"
"I mean that Zoe Havering was an actress before her marriage, that you and Japp only saw the housekeeper in a dark hall, a dim middle-aged figure in black with a faint subdued voice, and finally that neither you nor Japp, nor the local police whom the housekeeper fetched, ever saw Mrs. Middleton and her mistress at one and
