The Grey Fairy Book. Lang Andrew

back in surprise at the sight of him, and exclaimed, ‘Oh, sir, how did you contrive to get in here?’ The young man replied that he was her brother, and told her by what means he had been able to pass through the doors. In return, she told him how happy she was, except for one thing, and that was, her husband lay under a spell, and could never break it till there should be put to death a man who could not die.