ten o'clock
If she does not come you will know that something has occurred to prevent her , and she will come the following night at the same hour . '' Jeanne took the silken cords and wound them round her , under her lay sister 's robe , and then , with a kindly nod at Ronald , and an injunction to be as noiseless as a mouse in climbing up the terrace , and above all not to raise his voice in speaking to his mother , she tripped away across the street to the convent . Malcolm and Ronald sallied out from Tours before the city gates were closed at sunset , and sat down on the slope which rises from the other side of the river and waited till it was time to carry the plan into operation . Gradually the lights disappeared from the various windows and the sounds which came across the water ceased , and by ten o'clock everything was profoundly still . They had , in the course of the afternoon , hired a boat , saying they were going out for a night 's fishing . This they had moored a short distance below the town , on the side of the river where they now were . They now made their way to it and rowed quietly across the stream ; then they left it and waded through the water , which flowed knee deep at the foot of the walls .