 The King retires after a night of feasting . Lady Macbeth drugs his attendants and lays daggers ready for the commission of the crime . Macbeth kills the sleeping King while Lady Macbeth waits nearby . When he brings the daggers from the King 's room , his Lady orders him to return them to the scene of the crime . He refuses . She carries the daggers to the room and smears the drugged attendants with blood . The couple retire to wash their hands . 
