Episode Description: Beware, spoilers! To read - hover over the text.
Becoming a prisoner of the stranger, castle, along with other victims captured by the serial killer, is forced to wrestle with the crazy puzzles of a psychopath. From the puzzles to the puzzle - and very soon the stolen pass to the intellectual game, in which everyone, without realizing it, begins to hate his comrades in misfortune. To hate and blame each other of all mortal sins, to the delight of the maniac. Who managed to lure into the same trap and captain Beckett. And, while Richard was all excited for a wife, trying to keep the situation under control - detectives from the twelfth precinct, along with seriously disturbed Alexis, join the mad race ahead, trying to save them both and to catch the criminal.