Sydney finds herself face-to-face with her long-lost mother, Irina Derevko, whose intentions for her daughter are made chillingly clear. However, Sydney manages to escape and rejoin Jack and Will in their escape from Taiwan. After arriving back in Los Angeles, Sydney continues her search for Vaughn, not knowing if he is dead or alive after being swept away by a wall of water in Taipei. Will's life is forever changed when he learns the truth about SD-6 and Sydney's life as a double agent. Also, Dixon must decide whether or not to inform Sloane of Sydney's suspicious activities. But Jack intervenes and covers for Sydney who later finds Vaughn who helps her try to track down her mother Irina who's searing for a Rimbaldi artifact called 'the Bible.' Written by Anonymous

After turning herself in to the CIA, Irina won't communicate with anyone - except her daughter. Sydney refuses to cooperate, until a mission goes awry and crucial information falls into the wrong hands. Now, against Jack's wishes, Sydney must face Irina and find out what She knows. Written by Cristy0010

Sydney must travel to Sri Lanka to outwit Sark in order to find a crucial piece of Intel from a computer disk that she recovers from Rabal. Meanwhile, Jack faces Sydney's mother for the first time in almost 20 years in her prison cell to discuss Sydney's well being. Also, Will finally meets Vaughn, and Sloane is haunted by his wife's death when someone begins sending him anonymous letters which have Emily's handwriting on them. Written by Anonymous

Past demons revisit all the characters as Sloane becomes confused and desperate over clues that his wife may not be dead. At the same time, Will meets a woman who claims to know the truth about SD-6. And Jack tries to convince Sydney that Irina is setting the stage to betray them and will go to any lengths to prove it. Written by Anonymous

Jack's decision to sabotage Sydney's last mission while pinning it on Irina not only brings him closer to his daughter - it sends his ex-wife to death row. But his foolproof plan begins to unravel when Vaughn begins to put the pieces together - and Sydney makes a startling discovery about her childhood. Written by Anonymous

Sydney's fury at Jack's present betrayal and past sins leads her father to a desperate act to prove his love for her. Meanwhile, Vaughn - after enlisting Will in a seemingly benign CIA request - learns that a mission He and Sydney engaged in could have disastrous consequences for their health. Written by Anonymous

As Vaughn's life hangs in the balance, Sydney has no choice but to turn to Sark for help in securing an antidote for the virus. But when Sark demands She help him to kill Arvin Sloane in exchange for his assistance, Sydney faces a decision that could expose her as a double agent. Written by Anonymous

Sark's alliance with SD-6 suddenly puts Sydney at risk of being exposed as a double agent. She has no choice but to cooperate with his plan, until his alliance with Sloane sends several nuclear weapons into the wrong hands. Now, only Irina holds the key to unraveling Sark's agenda - and She refuses to cooperate. Written by Anonymous

Still trapped in hostile territory in Pakistan, Sydney, Jack, and Irina continue their search for the missing nuclear warheads held by PRF's leader Gerard Cuvee. After several misadventures, they arrive at Cuvee's stronghold, only to be betrayed by Irina. Back in the USA, Vaughn wants to mount a secret rescue mission to Pakistan before Kendell authorized the Indian army to launch an air strike on the facility with Jack and Sydney held captive inside. Meanwhile, Sloan decides to pay off his unknown blackmailer. Written by Anonymous

Backed into a corner, Sark cuts a desperate deal Sloane using Sydney to recover a state-of-the-art surveillance system. But when the plan goes awry, SD-6 sends Marshall with Sydney on her next mission... giving the CIA no choice but to extract the op-tech specialist. Now Sydney faces the consequences of waking up Marshall - and possibly destroying his life in the process. Written by Anonymous

When Sydney learns that Marshall has been kidnapped, she struggles against a heartless Sloane to bring Marshall back whom is being tortured by the same Taiwanese torturer Dr. Lee Suit and Glasses to uncover the code for the top secret ECHELON security system whom tries to stall for time. Sydney and Dixon are instead sent to Ho Chi Minh City, Vietnam to recover the hard drive for ECHELON. Meanwhile, Kendall and the rest of the CIA frantically tries to prevent SD-6 from gaining access to ECHELON... and Jack realizes that the only one who can help them is Irina.

Sydney and Vaughn reach a crossroads as they try to turn a professional relationship into a personal one during a mission to recover an experimental gyroscope. Meanwhile, Jack struggles to outwit the persistent SD-6 security expert, Ariana Kane, as she tightens the noose of suspicion around him of being Sloan's blackmailer. But Sloan is eventually revealed to know more than he claims: there never was a blackmailer, and Emily is really alive and in league with Sloan to get away from the Alliance! Written by Anonymous

The entire world of 'ALIAS' is turned upside down. Sloane disappears mysteriously and Anthony Geiger becomes the new head of SD-6. As the Bristows struggle to keep their secrets safe and stay one step ahead of Geiger, Will and Francie make a startling discovery of their own while Francie prepares to open her new restaurant. After an airborne mission, Sydney uncovers a crucial information that could shut down SD-6 and bring down the entire Alliance. But in order to put her plan into action, she must tell Dixon the truth about everything. Written by Anonymous

When a young CIA agent dies, suspicion immediately falls on her parter and lover, agent Jim Lennox. But after Sydney rescues Lennox from captivity, She trikes up an instant connection as they discover shared wounds - realizing They've both lost someone they love to the job. Yet even her judgment is thrown when Vaughn and Jack discover that Lennox was pursing a technology that allows people to change their appearance. Now Sydney must ask herself: is this the real Jim Lennox - or is his double? Written by Anonymous

Sydney finally has the opportunity to leave the CIA for good, but a startling phone call from Sloane, combined with the kidnapping of a brilliant mathematician, brings her back into the fray.

When Sloane gets his hands on a terrifying Rimbaldi weapon that causes internal spontaneous combustion, Sydney must turn to a betrayed and hurt Dixon for help. But when her ex-partner refuses any assistance, She has no choice but to carry out the mission herself. When Sydney is captured, Vaughn must persuade Dixon to help the CIA rescue Sydney from an Afghan warlord's camp. Written by Anonymous

When Sydney learns that Vaughn is under investigation for being a double agent, Jack and Irina forge an unlikely partnership in their attempt to get their daughter out to the CIA for good. Kendall learns that Sark and Sloan are attempting to get their hands on a Rambaldi manuscript detailing the works of the human heart, so he sends Jack and Irina to Bangkok to learn more, and then to Panama to capture Sloan. But Irina betrays Jack and escapes from custody... this time for real. Written by Anonymous

Following her betrayal, the CIA try desperately to track down Irina Derevko. Their trail on Derevko leads them to Stuttgart and closer to Sark and Sloane, even as Sloane contemplates giving up his quest to complete Rambaldi's work in order to stay with his wife, Emily. Written by Shiro

When the CIA intercepts a secret message, Sydney discovers that the life of Neil Caplan, the mathematician still held captive by Sloane and Irina, may be in danger from the most unlikely source: his wife Elsa whom Jack has arrested, forcing Sydney to try to clear Elsa's name by going on her own mission to Moscow and Spain to try to rescue Neil Caplan. Meanwhile, Sloane becomes obsessed with finding out who accidentally killed Emily, and Sark makes contact with the Francie impostor to locate the person responsible... by using Will to infiltrate the CIA satellite surveillance systems. Written by Anonymous

Dixon struggles to deal with the death of his wife but returns to work after only four days, hellbent on tracking down Arvin Sloane. Vaughn questions his ability to cope in the field, but Dixon insists on doing his job, leading Vaughn to consider Dixon a liability and danger to Sydney in the field. The CIA deciphers a page in the Rambaldi book that contains a doomsday prediction for three days time, which starts that Agency on a desperate hunt to track down a Rambaldi device before it has the chance to fulfill the prophecy. Written by Shiro

Sydney finds herself racing to clear Will's name when the Francie impostor frames him for the CIA intelligent leak by making him appear to be the other double of the Helix project. But Sark makes matters worse when he sends a team to extract Will, to make it look that he's guilty. Meanwhile across the globe, Irina and Sark discover a stumbling block could turn into an opportunity... with Sydney's cooperation. Written by Anonymous

Sydney must confront her mother, who tells a clue about some Rambaldi artefacts in Zurich, but it was a trap to capture Jack. As Sloane keeps the latter in hostage, Vaughn and Sydney go to Stockholm to capture Sark, who reveals the hideout in Mexico City. Meanwhile, Tippin discovers that Francie is in fact a double and is the one who framed him... Written by RealLiveClaude

Sydney Bristow is a young, athletic, college graduate who was recruited her freshman year as a Secret Agent for SD-6, a top-secret branch of the C.I.A. After a few years, after Sydney confides her lifestyle to her boyfriend, the evil head of SD-6, Arvin Sloan, has him killed. Sydney learns that SD-6 is part of a rogue international agency called the Alliance of 12, out to rule the world. She becomes a double agent, working with the real C.I.A. to bring down SD-6 with the assistance of her handler, Michael Vaughn, and her estranged father Jack Bristow, also a double agent. Along the way, Sydney fights various rival agents, rival terrorist groups, and traitors all the while keeping her cloak-and-dagger lifestyle a secret from her friends. (Season 1) Written by ahmetkozan