Golden Globe Award-winning actress Jennifer Garner (Best Actress In A Television Series, 2002) is Sydney Bristow. Syd's not exactly your average college student. Her life might appear normal, but she really is hiding a secret life working as a spy for the CIA. Her mission is to root out evil. But her world is turned upside down when she learns she may work for the very enemy she thought she was fighting. Now she's entangled in a covert lifestyle where she is forced to question the allegiances of everyone, including those closest to her - her family and friends.