[He quietly arches a brow, then walks past her, motioning for her to follow.]

This way, then. We'll start up front.

[Heading back in, Simon gets up and follows them idly behind, happy to see what's going on. As they walk down a particularly long hall, James has to remark on something.]

I have to admit that I'm a little confused. The reason why your grandfather decided to switch Lucy out with you is still unclear. Did I miss out on some family drama?

[Straight to it.]