"Castle" 3XK (TV Episode 2010) - Plot Summary Poster

(TV Series)



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  • When a beautiful woman is found dead in an alley, all clues point to her being a victim of the notorious Triple Killer. The Triple Killer, or 3XK, terrorized New York City four years ago, then mysteriously disappeared. Now he's back. In a deadly battle of wits, Castle and Beckett race against time to stop 3XK before he claims his next victims.

  • Cable operator customer relations employee Linda Russo is found in a street near her home, strangled with a triple green/white nylon rope. As Castle suspects its' the slightly modified MO, of serial killer 3KX, who stopped killing four years earlier. Her 'stalker', colleague Paul McCardle, has an alibi and was chased by a bogus security guard, another 3KX specialty. With three victims over a week the killing pattern is confirmed. Fingerprints on a cable-guy's name tag (Vince) which was left at the scene lead to recently released violent ex-con Marcus Gates. He's found by leaning on his terrified cell-mate Jerry Tyson.


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