He stood awhile staring out into the darkness, and at length turned to retrace his steps. As he reached the shelter of the sand-dunes a tall shadow rose out of the ground at his feet, and the next instant he was writhing on his face in the grip of an exceedingly effective neck-and-arm lock. "If you try to kick, my pippin," said the excited voice of James Thorogood, "I shall simply break your arm--so!" The face in the sand emitted a muffled squark. "Keep still, then." The two men breathed heavily for a minute. "Don't swear, either. That's what got you into this trouble, that deplorable habit of swearing aloud in German. But I will say, for a tinker, you put a very neat West Country whipping on that bit of broken harness. I've been admiring it. Didn't know they taught you that in the German navy--_don't_ wriggle." 3 James Thorogood, retaining a firm hold on his companion's arm, bent down and gathered a handful of loose earth from a flower-bed at his feet. The moonlight, shining fitfully through flying clouds, illumined the face of the old house and the two road-stained figures standing under its walls. It was a lonely, rambling building, partly sheltered from the prevailing wind by a clump of poplars, and looking out down an avenue bordered by untidy rhododendrons. "Won't Uncle Bill be pleased!" said James, and flung his handful of earth with relish against one of the window-panes on the first floor. He and his captive waited in silence for some minutes; then he repeated the assault. Soon a light wavered behind the curtains, the sash lifted, and a head and shoulders appeared. "Hallo!" said a man's voice. "Uncle Bill!" called James. There was a moment's silence. "Well?" said the voice again, patiently. "Uncle Bill! It's me--Jim. Will you come down and open the door? And don't wake Janet, whatever you do." Janet was the housekeeper, stone deaf these fifteen years. The head and shoulders disappeared. Again the light flickered, grew dim, and vanished. "This way," said James, and led his companion round an angle of the house into the shadow of the square Georgian porch. The bolts were being withdrawn as they reached the steps, and a tall, grey-haired man in a dressing-gown opened the door. He held a candle above his head and surveyed the wayfarers through a rimless monocle. "Didn't expect you till to-morrow," was his laconic greeting. "Brought a friend?" "He's not a friend exactly," said James, pushing his companion in through the door, and examining him curiously by the light of the candle. "But I'll tell you all about him later on. His name's Fritz. D'you mind if I lock him in the cellar?" "Do," replied Uncle Bill dryly. He produced a bunch of keys from the pocket of his dressing-gown. "It's the thin brass key. There's some quite decent brandy in the farthest bin on the right-hand side, if you're thinking of making a night of it down there. Take the candle; I'm going back to bed."