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.
Episode rating
Cast of episode
81
12
3
2
1
- Richard Castle
- Kate Beckett
- Martha Rodgers
- Kevin Ryan
- Alexis Castle
- Javier Esposito
- Captain Roy Montgomery
- Lanie Parish
- Marcus Gates
- Jerry Tyson
- Paul McCardle
- Angela Russo
- Cal Townsend
- Dr. Lee
- Captain Bigelow
- Murder Victim
- Kim Foster