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. Written by
Did You Know?
This was originally slated to be the fifth episode of the season. See more
Sloane tells Nadia that his affair with Irina was "brief". However, given that he once thought Sydney might be his daughter and that Irina left while pregnant by Sloane when Sydney was six, the affair must have been lengthy. See more
You should be nicer to your big brother.
Isn't that what the Bible says?
Why, do I look like some kind of expert?