five o'clock
`` The lady will come at five o'clock this evening , sir . '' `` Very well . '' And the doctor bent his mind once more steadily upon his work . At five o'clock the door opened , and a tall , square , and strong-looking woman , dressed in black , walked quietly into the room . She bowed to the doctor and sat down . `` I am glad you could see me to-day , '' she said . `` I leave London early to-morrow morning .