Sydney and Vaughn go undercover to track down a deadly new bio-weapon. Meanwhile, Sydney is concerned about Vaughn not having yet put Lauren behind, and Nadia turns to a Jack to ask for his help in finding out the truth about her mother's murder, who tries to throw Nadia away from the evidence pointing to him.
Episode rating
Cast of episode
72
21
4
1
1
1
- Michael Vaughn
- Sydney Bristow
- Nadia Santos
- Jack Bristow
- Marshall Flinkman
- Eric Weiss
- Arvin Sloane
- Marcus Dixon
- Kiera MacLaine
- Fintan Keene
- Derek Modell
- Soldier
- Injured Soldier
- Young Irina
- Doctor