Question: Any more info on the new mythology on Castle and how it will shape or affect Season 7 overall? —Rachael

Ausiello: As you can imagine, Monday’s season opener sets up a very provocative, perplexing puzzle to be solved — and only a random piece or two are nudged into place by the time the hour ends, leaving Beckett decidedly uneasy. Suffice it to say, any obvious theories you’ve seen batted around out there over the summer (very likely) missed the mark. Color us definitely intrigued by the who, why and how of Rick’s vanishing act.

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