She found herself in a square room, larger than the one she had just left. Advancing to a door she tried it, to find it locked. This was made to yield, however, by one of the bunch of keys, and she proceeded to another door that stood ajar.

"Help!"

It was a smothered cry that reached the girl's ears, and quite startled her.

The sound came from the next apartment. For a minute Nell Darrel hesitated. She reasoned that she had nothing to fear from the hag who kept the place, and one who was in need of help certainly could not be a friend to Mrs. Scarlet, or those who profited by the old woman's villainy.

"Help!"

Again came that cry, and Nell moved forward, pushed open the door and flashed her light over the scene—a room much smaller than the one she had just quitted.

A dark object writhing on the floor startled her vision.

"Old woman, do you mean to murder me here?"

The man seemed to imagine that the new comer was the hag who kept the place. With trembling step Nell Darrel advanced and flashed her light into the face of a bound and helpless prisoner.

"Mercy! It is Dyke!"