Not a bad episode I guess, it all made sense. I've never enjoyed movies with this camera style method.
I did dislike Castle touching Kate's face at the office. Like cameras or not, you're in the middle of a public and populated place so you do something like that? It was just stupidly out of character.
Once again, how Kate was looking for a confession is actually illegal. If he had of confessed to anything it wouldn't be admissible because she was bullying him. I love this show but some episodes it gets old just watching her yell at people.
I did like the head of the cult, he was annoyingly smart and I think he's the Reaper from Criminal Minds - which he was awesome on.
And I didn't entirely like the ending with Kate leading them into the storage room, and why would they even enter? Like the lights were on, you could see what it was...