midnight
Frank demanded . `` Was he in the plot to blow up the dam , or was he just paid to get them ? '' `` I can tell you more about that in a few days . It is midnight , and I will relieve you . Go to bed . '' `` I shall sleep sounder after I hear from father , '' the boy said , passing into the cottage . `` He may be having troubles of his own in New York , '' he added , pausing at the door for a last word .