Midnight
`` Well , how many men are you going to bring over here to-morrow night ? '' `` Twelve , sar , an ' I fotch 'em in de big canoe . '' `` 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 . ''