She must be brave.

Their sole chance of rescue hung upon that.
Like Scott, she thought of the guide, though the hope was a forlorn one.
He might know of this shelter; but whether in the awful darkness he would ever be able to find it she strongly doubted.

Their absence must have been discovered long since, she was sure; and Scott--Scott would be certain to think of the mountain path.

He would remember his sister's wild words of the day before, and he would know that she, Dinah, had had no choice but to accompany her upon the mad quest.

It comforted her to think that Scott would understand, and was already at work to help them.
If by any means deliverance could be brought to them she knew that Scott would compass it.