four o'clock
-- Do you hear , Constant -- without witnesses ? Then tell her to have her carriage immediately brought to the door , and , on the pretext of being alone with her mournful New-Year 's meditations , to take a ride without attendants . But when she is at a considerable distance from Malmaison , she is to order the coachman to drive to the little castle of La Bagatelle . She must be there precisely at four o'clock . I shall be there , and tell her majesty I shall not come alone . Now make haste , Constant ! Recommend entire reticence to the empress .