four in the morning
The room in which she lay was locked , the door leading into Mr. Macallan 's room being secured , as well as the door leading into the corridor . The keys had been taken away by Mr. Gale . Two of the men-servants were posted outside the bedroom to keep watch . They were to be relieved at four in the morning -- that was all they could tell me . `` In the absence of any explanations or directions , I took the liberty of knocking at the door of Mr. Dexter 's room . From his lips I first heard the startling news . Both the doctors had refused to give the usual certificate of death !