"That is all you have to tell me?"
"Yes."
"There is no other circumstance that you have omitted, milord?"
"Well, there is one rather peculiar thing."
"Yes?"
"The Prime Minister's car did not return home after leaving the Prime Minister at Charing Cross. The police were anxious to interview O'Murphy, so a search was instituted at once. The car was discovered standing outside a certain unsavoury little restaurant in Soho, which is well known as a meeting-place of German agents."
"And the chauffeur?"
"The chauffeur was nowhere to be found. He, too, had disappeared."
"So," said Poirot thoughtfully, "there are two disappearances: the Prime Minister in France, and O'Murphy in London."
He looked keenly at Lord Estair, who made a gesture of despair.
"I can only tell you, Monsieur Poirot, that, if anyone had suggested to me yesterday that O'Murphy was a traitor, I should have laughed in his face."
