“But what do they want?”
“Yes, that’s the question. Who had the house before you?”
“A retired sea captain called Ferguson.”
“Anything remarkable about him?”
“Not that ever I heard of.”
“I was wondering whether he could have buried something. Of course, when people bury treasure nowadays they do it in the Post-Office bank. But there are always some lunatics about. It would be a dull world without them. At first I thought of some buried valuable. But why, in that case, should they want your furniture? You don’t happen to have a Raphael or a first folio Shakespeare without knowing it?”
“No, I don’t think I have anything rarer than a Crown Derby tea-set.”
“That would hardly justify all this mystery. Besides, why should they not openly state what they want? If they covet your tea-set, th
