“He will meet us at our seats. To tell you the truth, my friend, he is not too well pleased with me. Oh, those Americans⁠—the repose, the calm, they know it not! Mr. Van Aldin, he would that I fly myself in the pursuit of criminals through all the byways of Nice.”

“I should have thought myself that it would not have been a bad plan,” observed Knighton.

“You are wrong,” said Poirot; “in these matters one needs not energy but finesse. At the tennis one meets everyone. That is so important. Ah, there is Mr. Kettering.”

Derek came abruptly up to them. He looked reckless and angry, as though something had arisen to upset him. He and Knighton greeted each other with some frigidity. Poirot alone seemed unconscious of any sense of strain, and chatted pleasantly in a laudable attempt to put everyone at their ease. He paid little compliments.