four o'clock
`` Fortunately Brigitte looks such a simple , witless creature that the man on guard on the landing has not thought to pry while she has been with us , and has allowed the door to be shut . He can not then see in , as the grated opening has been closed , out of regard to Madame 's sex . So this morning I got Brigitte 's consent to my plan , for the poor girl is the softest-hearted creature in the world . And to make sure of finding you immediately when I got out , I charged her to tell you to be in your room at four o'clock . '' `` Which she did very adroitly . '' `` She is not such a fool as some take her for . Well , when she came to us awhile ago , I transferred this frock and cap from her to me , and had her call out to the guard that she had forgotten something and must return to the kitchen for it .