midnight
They will not get home until the next morning . The house will be ill-guarded . We must find out the particular day and night when this shall be so . Then you three shall watch your opportunity , enter the house by stealth , conceal yourselves in the chamber of the girl , and at midnight when all is quiet , gag her and bring her away . '' `` Excellent ! '' said Hal . `` And mind , no liberty , except the simple act of carrying her off , is to be taken with your captain 's prize ! ''