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.

Michael resumes his role inside Division. Michael, Alex and Ryan follow Nikita into Kosovo on a dangerous mission, 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.

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.

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 (ISIAIH 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.