midnight
`` At what hour ? '' `` Midnight , when de moon hab gone down , an ' my massa is on guard . '' Having got this important information , Frank released the negro , and regained his post without being discovered . At midnight he called his relief , and then lay down on the ground and fell asleep . After breakfast , the next morning , as the major went to the spring to fill his cup , Frank , who had followed close behind him , said suddenly : `` We 're in trouble again . '' `` Yes , and always shall be , '' answered the major , coolly , `` until we are safe at the North . But what is the matter now -- any thing new ? ''