Alias

Sydney comes face to face with her mother, who has something sinister in store for her daughter; Sydney continues to hunt for Vaughn, not knowing if he is dead or alive.

Sydney must decide whether to accept her mother's goodwill gesture at face value; Sloane is made a full partner in the Alliance of Twelve.

Sydney must outwit Sark in order to find a crucial piece of intelligence; Jack faces Sydney's mother for the first time in 20 years; Sloane is haunted by his wife's death.

Jack takes drastic measures to protect Sydney from her mother; a mysterious woman confronts Will about his story on SD-6.

Sydney discovers a terrifying secret while searching for a cache of weapons; Vaughn suspects Jack is setting up Sydney's mother for a fall, while Sloane tells Jack the truth about Emily's death.

Jack makes a great sacrifice in order to regain his daughter's fading trust; Sydney and Vaughn may have been exposed to a deadly virus in Taiwan.