She must escape--she would escape! With a great effort she calmed herself to reflect--to calculate if there was any chance of getting away.

She esteemed it fortunate that she had not lit the gas in her room.

The whole house was in darkness.

The policeman might think there was nobody in, and go away.

But she dared not reckon on that.
There came another and louder ring of the bell downstairs.
Again she crept to the window and looked down.