“I was afraid you would not let me do it, Philip,” said Miss Farquhar meekly.

“So you took care to be on the safe side,” he observed, with a smile. “I hope Monsieur Poirot will be able to throw some light on this extraordinary puzzle, for I confess frankly that I am nearly out of my mind with worry and anxiety about it.”

Indeed, his face looked drawn and haggard and showed only too clearly the strain under which he was labouring.

“Well, well,” said Poirot. “Let us lunch, and over lunch we will put our heads together and see what can be done. I want to hear Mr. Ridgeway’s story from his own lips.”

Whilst we discussed the excellent steak and kidney pudding of the establishment, Philip Ridgeway narrated the circumstances leading to the disappearance of the bonds. His story agreed with that of Miss Farquhar in every particular. When he had finished, Poirot took up the thread with a question.