about four o'clock
All had gone well ; he had returned to Weymouth Street , and was in the act of putting away his apparatus , when the telephone bell rang . He was wanted immediately by Lady Scones , in Burnham Crescent , S.W. Sir Wilford Scones had been one of Doctor Harefield 's most lucrative patients , and naturally Mark felt gratified by the summons . A rapid examination showed that the patient was seriously ill , and having telephoned for a trained nurse and written a prescription , Mark left the house , with a promise to come again during the afternoon . On his way home after this second visit at about four o'clock , he walked past the end of Golfney Place , and , a few yards farther on , saw a motor-car in which was seated Bridget . As he lifted his hat , she called to the chauffeur to stop , and seeing she was bent on getting out , Mark could scarcely do less than open the door . `` What a stranger ! '' she cried , holding out her hand .