midnight
They liked to make a great deal , and when it was at an end , it had done them good and made them ready for business . The Rat opened the drama at once . Never surely had there ever before been heard a conspirator 's whisper as hollow as his . `` Secret Ones , '' he said , `` it is midnight . We meet in the depths of darkness . We dare not meet by day . When we meet in the daytime , we pretend not to know each other .