In the third season premiere, Ryan takes charge of Division with Nikita by his side. Their first mission is to bring in "The Dirty Thirty," rogue Division agents still at large.

Nikita, Michael and team try to find a young girl who was brainwashed by a rogue Division agent (CHANCE KELLY -- Generation Kill). This gives Alex painful memories.

When Ryan tells Nikita an undercover agent has been arrested and they need to extract her from prison, Nikita questions why Division is continuing to run Percy's old missions. Nikita, Michael and Sean attempt to stop a terrorist attack but are one man down after Alex is shot. Meanwhile, Birkhoff and Sonia (recurring guest star LYNDIE GREENWOOD) continue to bicker.

Amanda sends a rogue Division agent, Anne (SARAH ALLEN), to get Owen from a Russian prison, but Owen escapes and returns to Division with Nikita. Can Michael and Ryan trust Owen?

Ryan admits Division is in trouble and Nikita and Michael are furious this was kept from them. Alex and Owen are caught in an explosion, and think it was set up by an insider.

When an arms dealer (ISAIAH MUSTAFA) is captured, he is used as bait to lure Amanda. Meanwhile, Birkhoff is hot on the trail of Amanda's mole and Alex starts to unravel.

Nikita, Michael and Ryan devise a plan to use Sonya (LYNDIE GREENWOOD) to ferret out Amanda's hiding place. Michael confronts Alex about her drug use.

Nikita and Owen face off against a rogue "cleaner" named Liam (guest star PEDRO PASCAL -- The Good Wife), while Michael takes a new position at Division. Michael and Nikita's relationship becomes strained as he watches her work with Owen.

A rogue agent named Ray (guest star MATT BUSHELL -- True Blood) kidnaps his girlfriend, Kate (guest star ANNA HOPKINS -- Barney's Version), so Ryan dispatches the team to rescue her. Nikita is confused when Michael sends Owen into the field with her instead of going himself. Meanwhile, Sean makes a decision about Alex.

Michael gives up his role as a field agent and resumes his role inside Division running Operations. After learning key information from Birkhoff, Nikita preps a secret mission that takes her into dangerous territory. When Michael, Alex and Ryan find out, they follow her into Kosovo but the outcome has far-reaching consequences for Division.

After Amanda frames Sean for murder, Nikita comes up with a plan that could either save him or cost him his life. AMANDA SCHULL (Pretty Little Liars) guest stars.

Ari (PETER OUTERBRIDGE) seeks help from Division and Nikita and Michael are stunned when Ryan considers it. Sean is jealous of Alex and Owen's relationship.

When Nikita and Amanda are both captured, the two must work together to escape. Owen is furious with Michael after Michael assigns Alex to be Nikita's backup instead of him.

Amanda holds Alex hostage and tells Nikita she will release Alex in exchange for Ari (PETER OUTERBRIDGE). In captivity, Alex befriends a fellow prisoner, Larissa (OLGA FONDA).

Nikita decides Division should take on a government mission in Paris. Alex and Birkhoff are shocked when they come across a secret so big it could blow up Division -- literally.

Nikita and Michael learn of a new prosthetic hand that could have Michael back to his old self, but it comes at a steep price. Meanwhile, Alex and Sean are tasked with investigating who inside Division is behind a mutiny that ends in bloodshed.

Alex confesses to Birkhoff her desire to leave Division. Amanda begins providing Owen with something he was never able to find -- memories of his real past. Despite Nikita's attempts to help, Owen begins to confront the events of his past.

Subjected to Amanda's horrific mental conditioning process, Nikita is sent on a terrible trip through memory lane. In the process, she learns Amanda's deepest, most guarded secret.

Dirtied with Division blood and destruction, an emotional Alex reverts to old ways and violently strikes out. Birkhoff struggles with his own personal losses.

Nikita, Michael, Alex and arms dealer/reformed rogue agent Cyrus (ISAIAH MUSTAFA) stage a daring operation at the tightly secured G20 economic summit.

Michael questions Nikita's commitment to a life beyond Division's web -- and he's not the only one with doubts. Alex considers an intriguing offer from a Nobel Prize winner.

In the season finale, Amanda puts her final plan in motion and forces Nikita into a life-threatening situation where she has to choose between saving Michael ... or saving herself. The team races to find a way to stop Amanda, but with a diminished Division, they might finally be out-gunned.