She's too green to think about backstabbing anything yet.

"So she removed you from there to keep you safe? What kind of trouble exactly?" You can tell she's sincerely worried, and also a bit suspicious.

The next part gets her by surprise, so Ella only manages to blink a few times and shrug at first. "I-I don't know? Both Mr. Falner and Ordo Daywalker believe in our ability to be nice, to put it very simply. The main idea is to find a transition between human and vampire that doesn't make one feel like a completely different being, I guess? Besides, vampires are like any other creature: you have them nice and not so nice ones, right? In the end everyone's just trying to get by."