An easy and a terrible means of avenging the outrages heaped on her was within Mercy's reach, if she chose to take it.

In the frenzy of her indignation she never hesitated--she took it.
"Who are you ?" she asked for the second time.
Grace roused herself and attempted to speak.

Mercy stopped her with a scornful gesture of her hand.
"I remember!" she went on, with the same fiercely suppressed rage.

"You are the madwoman from the German hospital who came here a week ago.

I am not afraid of you this time.