Sydney and Dixon are sent to Las Vegas to gather information from a K-Directorate agent who has ties to the group that attacked and nearly destroyed SD-6. Meanwhile, Sydney learns some shocking news about Francie's fiancé, Charlie, Will begins his journey in discovering what SD-6 really is, and Jack continues to try to be more of a father to Sydney when he helps her decide whether or not to continue with graduate school.
Elenco: Jennifer Garner , Ron Rifkin , Carl Lumbly , Kevin Weisman , Victor Garber , David Anders , Michael Vartan , Greg Grunberg , Merrin Dungey , Bradley Cooper , Rachel Nichols , Lena Olin , Melissa George , Amy Acker , Johnny Trí Nguyễn .