midnight
They plan to get into the cellar from the back of the house , where there is a concealed door . Very late one of them is to raise an alarm -- how I do not know . They expect the German officers to run out of the doctor 's house , and then they will shoot them down . It will not be before midnight . '' `` Then there should be time enough to stop it , '' said Paul , with decision . `` Thank you for your bread and meat , madame . Perhaps we shall repay you by saving your home and your husband 's life .