midnight
Henri , as if from custom , threw his head back and scanned the sky . Then they went on and crossed into the square . `` The plan , '' Henri began abruptly , `` is this : You will be provided to-morrow with a passport to Boulogne . You will , if you agree , take the midnight train for Folkestone . At the railway station here you will be searched . At Folkestone a board , sitting in an office on the quay , will examine your passport . '' `` Does any one in Boulogne speak English ? ''