midnight
`` Some spy must have found me out . I had a letter from this Loudon bidding me come to Auchenlochan . There I found no steward to receive me , but another letter saying that that night a carriage would be in waiting to bring me here . It was midnight when we arrived , and we were brought in by strange ways to this house , with no light but a single candle . Here we were welcomed indeed , but by an enemy . '' `` Which ? '' asked Heritage .