They came straight towards the door.

He had perhaps changed his mind, or he had something more to say; she held her breath, but he did not come in.

As if to make doubly sure, he bolted her into the little room, crossed the hall a last time, and bolted it for the night, perfectly certain that Dolores was safely shut off from the outer world.
For some minutes she sat quite still, profoundly disturbed, and utterly unable to find any way out of her difficulty, which was, indeed, that she was in a very secure prison.
Then again there was a sound at the door, but very soft this time, not half as loud in her ears as the beating of her own heart.

There was something ghostly in it, for she had heard no footsteps.

The bolt moved very slowly and gently--she had to strain her ears to hear it move.