A graduate student (Jennifer Garner) reveals that she is working for the CIA, endangering both herself and her boyfriend.

Sydney accidently gives SD-6 access to a nuclear weapon, forcing her to head to Cairo and take on a dangerous foe.

Sydney finds trouble in the form of her arch nemesis while in Madrid to retrieve a 500-year-old sketch.

Francie confronts her boyfriend about a rendezvous with another woman; Sydney reaches out to her estranged father.

Will tells Francie that he's been investigating the death of Danny. Sydney learns from Vaughn that her father may also be working for the FBI.

Sydney goes under cover in a mental hospital to get information from a man who doesn't know he is programmed to be an assassin.