After learning that the man she has known as Michael Vaughn is under investigation and suspected of being a double agent for another secret terrorist group called Prophet Five, Sydney begins to question whether their business and personal relationship over the years had all been a lie. When she discovers that she's pregnant with Vaughn's baby, she becomes determined to uncover the truth about him. Meanwhile, because of Jack's past betrayal by Irina, he begins to worry that his daughter may suffer the same fate that he did. Written by Anonymous

Four months after Vaughn's murder by the traitorous Gordon Dean and his associate Ivan Curtis, a grief-stricken Sydney teams up with Renée Rienne, a French freelance assassin and fugitive on the CIA's most wanted list who knew Vaughn from their past association with Prophet Five, to ask for leads in order to track down the killers before they can strike again. Meanwhile, Jack enlists a reluctant new agent, Thomas Grace, as Vaughn's replacement at APO, and Weiss struggles to decide whether or not to accept a promotion that would force him to move to Washington D.C. and leave his colleagues at APO. During this time, Sydney, Dixon and Weiss travel to Amsterdam to track down Curtis who is in the process of buying a potential weapon. Written by Anonymous

Following the theft of a deadly virus, code named Substance 33, in Turkey, Sydney is forced to partner on a mission with new APO agent Thomas Grace where they and Marshall travel to Prauge to look for the stolen virus container where their paths cross with Rachel Gibson, a spy suspected of being involved in activities against the U.S., has something shockingly in common with Sydney that she's working for a black ops group called The Shed, that is run by Gordon Dean and his murderous associate Kelly Peyton. Sydney and Tom must persuade Rachel to infiltrate The Shed to download Dean's computer files to learn where Substance 33 is being hidden. Meanwhile, Dixon must accompany Sloane, who's given a 48-hour pass from prison to acquire a possible cure for his still-comatose daughter, Nadia, from a scientist in Russia. Written by Anonymous

While Sloane awaits the outcome of his sentencing for treason, a mysterious associate of Gordon Dean approaches him for a favor in exchange for persuading the judges to rule in favor of acquittal. Meanwhile, Sydney and Tom must try to convince Rachel to help them catch the fugitive Gordon Dean who moves his operations to more secure locations. Sydney and Rachel return to the ruins of the Shed's offices in Prague for Rachel to reconstruction Dean's computer server so Tom and Dixon in the Cayman Islands can empty out Dean's bank accounts. Although they are successful, Dean discovers that Rachel is still alive which puts both her and Sydney in grave danger when they are trapped in a car that's hanging by an electromagnet controlled by Dean and his lethal associate Peyton who threaten to drop the hovering car unless Rachel's location is revealed. Written by Anonymous

Sydney and Tom travel to Marseilles, France when they discover that Renée has stolen the cryo container which contains the cryogenically frozen body of her supposedly dead father. But they soon find themselves under siege in Renée's warehouse hideout by a group of mercenaries who want to reclaim Renée's father when he awakes up from his cryo-induced sleep... so it appears. Meanwhile, Rachel and Dixon travel to San Francisco to assist Marshall in the break-in of a vault facility to copy files to learn more about Renee's father. Elsewhere, Sloane takes matters into his own hands to get himself back into APO and continue his quest to find a cure for Nadia by influencing/blackmailing a influential senator to let him have full access to the CIA's accessories. Written by Anonymous

After Sydney and the APO team infiltrates a formal party at the Chinese embassy in India to locate a fugitive arms dealer, named Janos Vak, Rachel is chosen to begin very first solo mission by infiltrating an off-shore oil platform, with com-links from Sydney whose pregnancy now limits her role in missions, to steal some computer software from Janos to gain the location of a new weapon. Meanwhile, Sloan, now back at APO, is in frequent contact with the elusive Gordon Dean who wants him to keep close tabs on APO, leading to Dean sending his lethal right-hand assassin, Kelly Peyton, to recover the computer software before APO does leading to a hand-to-hand fight between Peyton and the field-inexperienced Rachel. Written by Anonymous

Sloane decides to betray Dean when he learns that Nadia's condition will probably not improve. They meet at a race track in Dubai to exchange a network access card which Sydney and Renee stole in Rome, leading to Dean finally being captured. The APO interrogates Dean for information on Prophet Five. Yet another mysterious stranger asks Sloane to eliminate Dean. Meanwhile, Nadia comes out of her coma for a short time after a nameless nurse leaves her room. Under orders from his new Prophet Five contacts, Sloane kills Dean during a routine reboot of the APO's surveillance network, and APO misses its chance to hack the network, but learns Prophet Five is linked to intelligence agencies around the world. At the end, control of Dean's terrorist cell is given to Kelly Peyton. Written by Anonymous

An incident concerning a microwave bomb brings APO to send Rachel in Sao Paolo in order to take information about this weapon. However, another person who is named Bob is also after this information. Rachel has a fling with him, but back at APO, she finds out that he is Julian Sark. Meanwhile, Jack and an old friend are caught by Lazaré while on a stalking mission. Knowing Rachel has a clue to meet Stark, Sydney must deal with this foe in order to free her father from the hands of Lazaré in Tunisia... Written by RealLiveClaude

When Kelly Peyton steals some software from a CIA warehouse concerning the late Michael Vaughn, Sydney is soon abducted by Prophet Five agents where she is subjected to a hypnotic state making her flash back to her happier times with Vaughn in order to learn where a supposedly powerful device, called The Horizon, is located. Meanwhile, Jack must team up with Renée to locate Sydney when they captured and torture Aldo Desantis, while the mastermind behind Prophet Five is finally revealed... and why the person has a strong interest in Sydney's unborn daughter. Written by Anonymous

After escaping from Peyton and her henchmen, and learning she's on a freighter at sea, Sydney goes to the communications room and sends a message to APO routed through the CIA to her whereabouts. Unbeknownst to her, the message is intercepted by a mole at the CIA working for Prophet Five, although APO was able to obtain a piece of the transmission. Wanting to retrieve Sydney, the APO team, Rachel, Tom, Dixon, and Marshall attempt to break into a secured server room located at Langley with the goal of obtaining the remaining part of the transmission. Problems arise, however, when APO is forced to take the hard drive, which triggers an alarm. They manage to escape the situation thanks to former APO agent Eric Weiss who aids them in sneaking past the guards. Although the transmission on the hard drive is corrupted, APO is able to learn who corrupted it. Jack sets a meeting up with the division heads of the CIA and is quickly able to identify the mole. Meanwhile, Tom is revealed to have ... Written by Anonymous

Now nine months pregnant and on maternity leave, Sydney is surprised when her mother, Irina Derevko, shows up at her front door pretending to be a victim pursued by Prophet Five to get information on the whereabouts of 'The Horizon'. Jack, Sydney and Irina travel to Vancouver to an high-rise office building to steal the Horizon, only to get trapped on the upper floors when Peyton and hit team show up, forcing Jack to do battle with them alone as Sydney finally begins to go into labor with Irina as her labor coach. Elsewhere, while Dixon meets with Renee in Paris for information about The Horizon, back at APO, Rachel, Marshall and Tom agree to cover for Sloan when CIA Director Arthur Devilin arrives to monitor the APO records in the wake of the discovery of Prophet Five mole within the CIA. Written by Anonymous

One month later, with Sydney on maternity leave, she gets forced back into the field when her old enemy, Anna Espinosa, returns after she's secretly sprung from prison by Peyton who gives her a job offer to work for Prophet Five whose leaders have secretly contact with Sloan to get him to set up Sydney in exchange for getting the cure for Nadia. Anna decides that to get at Sydney is that she needs to go through her friends, leading to Anna to abduct Will Tippen. Sydney, along with APO, is forced to try to find Anna and save Will before he's killed unaware that Prophet Five has bigger plans for Syd, to take a sample of her DNA. Written by Anonymous

While Sydney and the rest of APO try to learn more about Prophet Five and what their plans for Sydney are, Sloane finally acquires a bottle of serum from Prophet Five as a cure for the comatose Nadia. But Sloane becomes distraught when he learns that for it to work, he must stop Nadia's heart for a full 30 seconds. When the proceeder is successful, Jack becomes suspicious about Sloane's possible involvement with Prophet Five, leading him and Nadia to investigate, while the rest of the APO team continues searching for Anna Espinosa, unaware that she has been duplicated by Project Helix to look like Sydney. Meanwhile, Tom travels to France to meet with Renee to look for a fugitive art dealer, named Moritz, whom has the stolen Rimbalid Page 47 artifact, and learn that it's a fake for the real one has with Sloan all this time. Also, Sydney offers Renee a job at APO, only to have fatal confrontation with Anna/Sydney, while Nadia has her own confrontation with her father over his renewed ... Written by Anonymous

In the aftermath of both Renee's and Nadia's murder, a vengeful Sydney becomes determined to find Sloan whom has abandoned his morals and joined Prophet Five in their search for Rimbaldi's great mystery. When a mysterious computer chip is found surgically implanted in Renee's body that has the name of Vaughn's real name on it, Sydney decides to travel to Nepal to contact Michael Vaughn, whom is alive and been in hiding all this time, only to have the Sydney double (Anna Espinosa) tracking her who gets to Vaughn first to know more about the chip. Meanwhile, visions of the dead Nadia plague Sloan as he tries to stall for time with Peyton over his deciphering of Page 47. Written by Anonymous

After killing the Sydney double/Anna, the real Sydney decides to impersonate her to infiltrate Prophet Five to know about their intentions, which leads her to have a reunion with Julian Sark who are both sent by Sloan, Peyton, and the rest of Prophet Five to infiltrate a maximum security prison in Italy to find a mysterious artifact and the final Rimbaldi clue. While Vaughn discovers a hidden bunker complex with all the information about Prophet Five, he teams up with Dixon to track Sydney to monitor her movements. Back in Los Angeles, Tom asks Rachel to help him recover a car as part of his secret revenge for the assassin who killed his wife years earlier. Written by Anonymous

Having finally learned the identities of all the 12 leaders of Prophet Five, Sydney, Jack, Tom, Dixon, and the rest of APO debate their next move when both Marshall and Rachel are abducted by Sloane whom has Sark and Peyton torture them to help him locate a Rimbaldi cave to where the ruby necklace can be deciphered. Sydney is forced to recruit Marshall's wife, Carrie, to help them locate Marshall and Rachel before Sloan has them killed. Sydney and Vaughn then track down Sloane to a remote location in Italy unaware that he has an agenda of his own when he sends Peyton to kill all of the Prophet Five leaders, and sends Sark to Los Angeles to destroy APO, once and for all. Written by Anonymous

In the aftermath of the destruction of APO and death of Tom Grace, Sydney and Vaughn and the surviving members of APO try to stop Sloane from fulfilling the Rimbaldi endgame when Sloane takes over Prophet Five and acquires two Soviet nuclear missiles to use to bring on destruction to profit on reconstruction. When the team finally captures Peyton, she tells them about Sloane whom is now in Mongolia to find the tomb of Rimbaldi to learn his ultimate secret which is immortality and eternal life. Sydney, Vaughn and Jack arrives, but Jack is fatally wounded by Sark, who slips away, again. Sydney and Vaughn then race the clock to locate Irina Derevko who has been planning with Sloane all this time to bring on Armmagendon with the two stolen missiles. At the same time, Sydney reminisces about her childhood, and how she came to first work at SD-6 and her affiliation with Sloane which led her to the path she's on today. Written by Anonymous