midnight
It was exciting work and Bob and Hugh both felt very important and elated at being allowed to accompany the officers on this raid . Furthermore they were going to see the inside of the mysterious stucco house , and perhaps clear up the whole mystery of the German plot and spy system in High Ridge . After a few moments ' wait Bob , Sergeant Riley , and the policeman started to move slowly up the street . They met no one on the way , for it was now after midnight and people were mostly in bed . Only one house had a light burning as far as they could see ; that house was a white stucco one , number twelve eighty-two and the light was on the third floor . `` Here come the others , '' whispered Bob to Sergeant Riley as they drew near their destination . Orders had already been given and every one knew what he was to do .