[Alice turns towards Isaac, her eyes shining in the darkness around them. She studies him for a moment before nodding her head.]

It's from a book where a girl travels to a new world through a rabbit hole. [Simple enough explanation though her voice has the tone of someone who's used to being a teacher.

Her gaze then moves to the other man approaching. His words imply something more though Alice isn't in a comfortable enough position to simply guess his meaning.]

You don't sound surprised. What is this place? Who else is around here?