“What do you mean?”

“I’ll tell you. You said just now that you had a long memory. A long memory isn’t half as useful as a long purse! I dare say it relieves your feelings a good deal to plan out all sorts of dreadful things to do to me, but is that practical? Revenge is very unsatisfactory. Every one always says so. But money”—Tuppence warmed to her pet creed—“well, there’s nothing unsatisfactory about money, is there?”

“Do you think,” said Mrs. Vandemeyer scornfully, “that I am the kind of woman to sell my friends?”

“Yes,” said Tuppence promptly. “If the price was big enough.”

“A paltry hundred pounds or so!”

“No,” said Tuppence. “I should suggest—a hundred thousand!”

Her economical spirit did not permit her to mention the whole million dollars suggested by Julius.

A flush crept over Mrs. Vandemeyer’s face.

“What did you say?” she asked, her fingers playing nervously with a brooch on her breast. In that moment Tuppence knew that the fish was hooked, and for the first time she felt a horror of her own money-loving spirit. It gave her a dreadful sense of kinship to the woman fronting her.

“A hundred thousand pounds,” repeated Tuppence.