five o'clock
He was very careful besides to say nothing of the consequences of that trifle . She was only to carry a letter and a message , that was all ; but it was the greatness of the reward for the trifling service that frightened Henriette . Nevertheless , Cerizet gained her consent at last ; she would help him in his stratagem . At five o'clock Henriette must go out and come in again , telling Basine Clerget that Mme. Sechard wanted to speak to her at once . Fifteen minutes after Basine 's departure she must go upstairs , knock at the door of the inner room , and give David the forged note . That was all . Cerizet looked to chance to manage the rest .