"Oh, my ingenuous youth!" he murmured. "Your ideas of tackling a detective are bright and engaging, yet, do your best. The very imbecility of your methods may lead to success. I should very much like to know where Paul Brodie is proposing to spend this afternoon."
Cresswell nodded in mysterious fashion and left them. Harvey Grimm passed his arm through his friend's, as they turned into the little street which led down to Aaron's Rodd's offices.
"Aaron," he said earnestly, "if your little expedition this afternoon should by any chance involve you in any manner of trouble, remember that there's one golden motto—silence. You make a cult of it in private life. If anything should happen to you—don't depart from it."
*****
At precisely the appointed hour, Aaron Rodd was shown by a footman in deep black livery into a small but charmingly-furnished room in the largest house which he had ever entered. On his way thither he had caught the sound of many voices, laughing and talking, the tinkling of teacups, the scraping of a violin. Evidently some sort of reception was in progress, for outside a canvas shelter was stretched to the curbstone, and a long row of automobiles and carriages was in evidence. It was almost ten minutes before the door was abruptly opened and Henriette Brinnen appeared. She had changed her clothes since luncheon, and was wearing a gown of some soft grey material, and a large hat with black feathers. In her hand she was carrying a small brown paper package, sealed at both ends. The little smile with which she welcomed him was bewildering.
"I have kept you waiting," she exclaimed, "and I must send you away again quickly! Believe me, I am not always so inhospitable. This afternoon, as it happens, Madame is receiving and I must help her. I would ask you to come and be presented but it is more important that you proceed swiftly with your mission."
"Of course," he assented, taking the parcel from her hand.
"Tell me first," she begged, keeping her fingers upon the closed door, "why were you so sad and silent all luncheon-time?"
He laughed a little hardly, hesitated, and was suddenly frank.
"Because," he told her, "I have not yet got used to my new rôle in life."