Yes; but in order to avenge herself she must be free. And to be free, a prisoner has to pierce a wall, detach bars, cut through a floor—all undertakings which a patient and strong man may accomplish, but before which the feverish irritations of a woman must give way. Besides, to do all this, time is necessary—months, years; and she has ten or twelve days, as Lord de Winter, her fraternal and terrible jailer, has told her.