midnight
Who is it ? '' `` Caleb Clark ! Say , Guy , it 's about half-past eleven now . You have just about time to go to Garney 's grave by midnight an ' get that stone , and if you ca n't find the exact spot _ you listen for the groaning _ -- _ that 'll guide you _ . '' This cheerful information was given in a hoarse whisper that somehow conveyed the idea that the old man was as scared as he could be . `` I -- I -- I -- '' stammered Guy , `` I ca n't see the way . '' `` This is the chance of your life , boy .