He drew in his breath sharply and rose to his feet.
"I am sorry, but I told you—I have got an engagement."
"You are lunching with some one else? Bah! I don't believe it."
"I am lunching with that lady over there."
He crossed abruptly to where a lady in white had just come up the steps. He addressed her a little breathlessly.
"Miss Grey, will you—will you have lunch with me? You met me at Lady Tamplin's, if you remember."
Katherine looked at him for a minute or two with those thoughtful grey eyes that said so much.
"Thank you," she said, after a moment's pause; "I should like to very much."