I shook my head helplessly.

“I’ve told Mary to keep them apart if she can.”

“Will she be able to do so?”

“The Lord only knows. There’s one thing, Inglethorp himself won’t be too keen on meeting her.”

“You’ve got the keys still, haven’t you, Poirot?” I asked, as we reached the door of the locked room.

Taking the keys from Poirot, John unlocked it, and we all passed in. The lawyer went straight to the desk, and John followed him.

“My mother kept most of her important papers in this despatch-case, I believe,” he said.

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