midnight
`` We shall be friends , very good friends , I am sure . Good night . '' `` Good night and -- thank you , '' he said . That night he lay awake until past midnight , recalling everything that happened during the day . His thoughts of Consuello gave place to speculation of what had become of Gibson and what would develop with his return in the coming week . Early Monday morning Brennan and John were called to the city editor 's desk and P. Q. ordered them to renew their search for Gibson . `` Drop everything else and do n't stop until you find him , '' he said .