"Bodies suspended in some sort of substance," Peggy says, and while she might not be a scientist, she doesn't think she has to be in order to understand the depths and severity of what's happening with those tubes. It's an experiment and they're finally seeing behind the curtains.

The question is whether they're supposed to and that's a question that's been rattling around her mind for some time now.

"I believe it's around fifty," she says, trying to recall her last estimate. "They come and go, but our census doesn't put it too high, I don't believe."