Then they saw that beyond the hole thus left there was an open space.
It was pitch dark.
Now, the hole in the wall was only just big enough for one of them to squeeze through, and Harry Girdwood pushed in eagerly, and then he perceived that beyond was a sort of tunnel on a small scale, with a roughly-hewn flight of steps at the end of it.
"I can see some steps," said he.
"Go on," said Jack, with feverish eagerness.
"I will; but you go to the door, Jack, and listen."
Jack stood eagerly watching at the dungeon door.
Young Jack was full of eagerness.
Harry had disappeared, and he could not see or hear him.
"All right."