"Detective Castle, this is Katherine Beckett, famous mystery novelist with 26 bestsellers to date, perhaps 27 soon if this all works out. And your shadow for the foreseeable future." AU.

Fourteen years ago, she had done the most despicable thing a wife could do to her husband. Now, finally, she could tell him the truth. But the truth was, she had made him walk through the fiery pits of hell, and now he was about to find out it was all based on a lie.