midnight
The smoker advanced . Miss Danton took his arm , and together they walked up and down , talking earnestly . Once or twice Kate looked up at the darkened windows ; but the watcher was not to be seen , and they walked on . Half an hour , an hour , passed ; the hall clock struck one , and then the two midnight pedestrians disappeared round the corner and were gone . The moments passed , and still Grace sat wondering , and of her wonder finding no end . What did it mean ? Who was this man with whom the proudest girl the sun ever shone on walked by stealth , and at midnight ?