He sat for a minute as though dazed. Poirot restored the box to his pocket and beamed placidly. Then suddenly the millionaire seemed to come out of his trance; he leaned across to Poirot and wrung his hand so heartily that the little man winced with pain.

“This is great,” said Van Aldin. “Great! You are the goods, M. Poirot. Once and for all, you are the goods.”

“It is nothing,” said Poirot modestly. “Order, method, being prepared for eventualities beforehand⁠—that is all there is to it.”

“And now, I suppose, the Comte de la Roche has been arrested?” continued Van Aldin eagerly.

“No,” said Poirot.

A look of utter astonishment came over Van Aldin’s face.

“But why? What more do you want?”