OK, I guess.

I got a bit riled at the ease at which some of the characters hurl accusations of evil doing at each other. Then was stunned at how quickly all was forgiven once the people involved stopped to listen to each other for a moment.

Spoiler

If you are entertaining the possibility that someone gets into the building through a long forgotten tunnel, then it is not likely the access to that tunnel will be behind shelves that are bolted to the wall.