midnight
Helm had profited by this trait as much as others had suffered by it ; but , in the case of Alice , Hamilton 's mingled resentment and admiration were but a powerful irritant to the coarsest and most dangerous side of his nature . After some fumbling and delay he fitted the key with a steady hand and moved the wooden bolt creaking and jolting from its slot . Then flinging the clumsy door wide open , he stepped in . Alice started when she recognized the midnight intruder , and a second deeper look into his countenance made her brave heart recoil , while with a sinking sensation her breath almost stopped . It was but a momentary weakness , however , followed by vigorous reaction . `` What are you here for , sir ? '' she demanded .