Prisoners, as in held together with other people in building, with similar rules about murder.

[He glances back at the school.]

But it wasn't a school. It was an opera house, lead by a man named The Phantom. [It sounds so ridiculous. It has to be unbelievable to her ears.] Riley, other people, a king, a small girl, an alien...a boy named Jeremy, but it's probably a coincidence. I don't think we had anything in common.