"There's some mystery about that girl-I'm certain of it." "What makes you suspect that?" "Well, first, she's evidently a lady-the daughter of a man who has come down in the world most probably: and secondly-" "Ah! You mean the secret lover-the man who was here yesterday and bought a twenty-guinea evening gown of her to send to his sister-eh?" exclaimed Mr Warner, "buyer" of the costume department of the great drapery house of Cunnington's, in Oxford Street, that huge store which, as everybody knows, competes with Whiteley's and Harrod's for the premier place of the middle-class trade in London.