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 ...

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 ass ...

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 Marshal ...

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 r ...

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 de ...

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 ...

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 ...

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 ...

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 ...

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 th ...

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 Proph ...

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 ...

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 ...

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 sea ...

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 reun ...

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 R ...

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 endg ...