four o’clock
He must be carefully prepared for all that we have to tell him ; and must be kept quite in the dark until those preparations are made . '' D'Arbino answered the doctor 's summons in person ; and Nanina repeated her story to him . He and the doctor remained closeted together for some time after she had concluded her narrative and had retired . A little before four o'clock they sent for her again into the study . The doctor was sitting by the table with a bag of money before him , and D'Arbino was telling one of the servants that if a lady called at the palace on the subject of the handbill which he had circulated , she was to be admitted into the study immediately . As the clock struck four Nanina was requested to take possession of a window-seat , and to wait there until she was summoned . When she had obeyed , the doctor loosened one of the window-curtains , to hide her from the view of any one entering the room .