Alias (2001)
S03E04 A Missing Link
Episode Overview
Sydney uncovers a connection to the two years she lost through Simon Walker, a charming yet perilous leader of a faction bent on reclaiming lethal biological weapons. At the same time, Vaughn grapples with jealousy and a deep yearning as Sydney embarks on her mission, all while being mindful of the strain his work is placing on his marriage to Lauren. In a bid to safeguard his daughter, Jack decides to take action by disclosing Sydney's dangerous secret to Dixon, aiming to secure her role within the CIA.