During a visit to the CIA shrink, Sydney recounts her escape from her mother who shot her, her rescue of Vaughn who is nearly dissected, and Jack's diffusal of Dixon's suspicions about Sydney. She also comes to an understanding with Will who must destroy his career and credibility to save his life and SD-6's secret. Sydney's mother ends up turning herself in but her motives remain unknown.
Sydney must deal with conflicting emotions as her mother is hauled into custody of the CIA while Jack implores them not to trust anything she says. Sloane, unaware of Irina's captivity but aware of her dissapearance, orders Sydney to obtain a disk containing compromising information to the Alliance. Vaughn asks for Irina's assistance. She reluctantly tells of a fail safe to the alarm system that Sydney must overide to avo…more
Sark has taken control of Irina's operations and Syd must go on a mission to hack into a camera system that can see through solid matter before it is launched into space. With information from Irina, Syd does the job and they track down a Rambaldi music device that contains a code for an energy system. She retrieves the code but is ambushed by Sark's men and falls under the ice. Also, Jack confronts Irina for the first ti…more
Jack's concern for Sydney's relationship with her mother takes a turn and he makes special arrangements to protect her during a mission Irina directs her to revealing Irina's true colors in the process. Also, Sloan is haunted by evidence that his dead wife may be alive and sends Dixon to investigate while Will is tested by SD-6 by an undercover agent sent by Sloane.
On a mission to find a batch of "next generation" weapons in Russia, Sydney discovers that the weapons involve brainwashing children to become spies and the sickening truth that her father may have used the same technique on her when she was young. Also, Vaughn discovers the extent of Jack's involvement in their Madagascar mission and how he planted the explosives to set up Irina and ruin her relationship with Sydney.
Sydney works to free her mother when Jack's deception leads to Irina's sentencing to death. Jack attempts to explain his side and eventually makes a great sacrifice to regain Sydney's trust. Syd and Jack must put aside their differences to uncover a dangerous virus engineered by Sark that Sydney and Vaughn have been exposed to by the "red ball" device. Meanwhile, Sloan makes a startling discovery about Emily's possible fa…more
Sydney attempts to save Vaughn from Sark's virus by stealing the antidote but the mission is botched and she is captured. She makes a deal with Sark to deliver Sloane into his hands, though doing so means Sloane's death, in exchange for her life and the antidote. Sark instead makes a deal with Sloane taking Sydney by surprise and unsure of her cover status. Meanwhile, the arrival of Vaughn's girlfriend shocks Syd and Will…more
Jack, Sydney and Irina go under cover as a loving family to seize nuclear warheads from an unfriendly nation.
With Sark having turned himself into SD-6, Sydney questions whether he can be trusted with her double agent status on the line as she and Dixon are sent to obtain nuclear weapon codes from Uzbekistan. Sloane is being blackmailed with Emily's life and his failure to kill her as a bartering chip and her ring finger is sent as proof. Will is fired by Vaughn's superiors even as he finds more evidence linking the 1982 standard…more
Sydney and Jack learn where Irina's loyalties lie when she meets up with Gerard Cuvee (Derek de Lint); Sloane informs the Alliance that Emily may still be alive.
Sydney, Jack and Irina continue their mission to obtain the warheads. They manage to fend off an ambush but are racing against the clock because the Indians are preparing an airstrike. Irina gives them instructions to split up and they comply only to find that Irina has seemingly betrayed them. She pretends to work with the enemy but gives them an escape. Jack and Sydney escape but Jack won't leave without Irina. Using th…more
Sark is nearly tortured at Sloane's hands for his apparent betrayal but Sark suggests it is someone else in SD-6. Sark is teamed with Sydney to retrieve a high-tech spy computer called Echelon from Cuvee which is Syd erases, as per the CIA counter mission. Will is hired back by the CIA provided he takes a psych evaluation first. The Alliance brings in Ariana Kane to investigate Emily's dissapearance and to look for a mole…more
The search for Marshall is on while he is held captive and tortured by "Suit and Glasses," making him agree to rewrite the Echelon code. Sydney and Dixon retrieve damaged Echelon data from Vietnam where it was routed by Marshall before capture but her countermission for the CIA is foiled and SD-6 gets all the information they need to access Echelon. The CIA agrees to Irina's demands in order to prevent SD-6 from getting i…more
Jack is ambushed during a meeting as Ariana Kane has made him the prime suspect as Emily's kidnapper and Sloane's blackmailer. Sydney begins to come under Kane's suspicions as well though Sloane can't accept it. Jack confronts Sloane who still claims to trust him and gives Jack a lead to his own suspect. Jack asks Irina for help. Sydney and Dixon are sent to France to retreve a gyroscope and Vaughn goes to help with the c…more
SD-6 gets a new director named Geiger to replace the Sloane. Sark tells Sydney thats Geiger accessed a secret network of Sloane's that may hold evidence to the Alliance. Vaughn finds the network on a plane constantly aloft except for refueling and supplying new women for Macor, the head of the plane. Syd goes undercover as a hooker, taking the plane by force and downloads the info to the CIA, making a narrow escape. They …more
CIA agent Jim Lennox appears to be a double agent as, under orders from Sloane, he kills Wallace, his partner and fiancee, before she can expose him. The CIA is unaware of Lennox's status and Sydney and Vaughn are sent to retrieve him from the laboratory of Dr. Enzo Markovic, who was developing a weapon called Helix that Lennox and Wallace were after. Syd finds Wallace being tortured while Vaughn retrieves the Helix devic…more
Sydney announces her intentions to quit the CIA but is met with resistance from Kendall who threatens to ban her from visiting her mother. A mathematician named Caplan, his wife and son are kidnapped by Sark and Sloane, to force him to decipher Rambaldi documents and build a weapon for Sloane. Sydney volunteers to help free them after Sloane calls and threatens her. Dixon must deal with the truth and tells his wife everyt…more
Sloane abducts Sydney but Vaughn manages to turn the tables to help free her before she gets too far. When Sloane partners with an Afghani terrorist, Sydney and Vaughn attempt to find a way in and Dixon holds key information that he won't give up. They approach the Afghani's ex-wife who is targeted by Sloan and Sark for a demonstration of the doomsday weapon they have been working on. Sydney and Vaughn escape with her jus…more
Sydney is informed of unauthorized meetings Vaughn has taken with KGB and she becomes suspicious of him after he is put under investigation. She confronts him and he reveals he has been investigating Irina on his own time for his peace of mind. Francine's "clone" sleeps with Will, hypnotizing him to reveal secret satellite codes. Jack forms an uneasy alliance with Irina to see if they can bait and capture Sloane. Irina is…more
Sydney is determined to get her mother. Meanwhile, Emily Sloane has to choose between standing by her husband or betraying him.
Syd rescues Dr. Neil Caplan with the help of his wife, a Russian operative who has betrayed her orders because she's fallen in love with Caplan. Meanwhile, Sloane seeks revenge against Dixon, who he holds responsible for his Emily's death and kills Diane in a car bomb explosion.
A Rambaldi artifact is the key to an apocalyptic event that the agency races to prevent. Also, a monk makes a revelation to Sloane and Dixon tries to deal with his grief over Diane.
Sydney questions Will's identity when he is arrested for espionage; Sark and Irina plot to recover the Rambaldi heart.
Sydney confronts her mother, who reveals her true motivation; Will struggles to figure out who is behind the setup.
Will is suspected of being the second double.
Sydney questions Will's identity when he is arrested for espionage; Sydney confronts her mother, who reveals her true motivation.
Will is cleared, Syd's mother finally reveals her true motivation, and Syd shoots the evil Francie before waking up two years later to learn that she was thought dead and Vaughn is married.