A few minutes after midnight
All the more dearly because of that vision , should Joan Whitworth pay , the shining armour of her young beauty be pierced , her pride be humbled , her indifference turned to shame . `` I ca n't think , my lady -- unless it was Miss Whitworth 's . '' `` I asked you to mark the time , Jenny . A few minutes after midnight . Miss Whitworth was at that moment in the supper-room at Harrel . She was seen there . The woman 's voice which answered was either Mrs. Croyle 's or yours . ''