With Michael out of town, Nikita turns to Owen to help her track down and steal another black box from a Guardian. Unfortunately, she discovers that Owen is working for an unlikely employer that could jeopardize Nikita's whole operation. Amanda realizes Alex received privileged information about Semak and that information could only have come from Percy. Furious that Percy undermined her, Amanda strips him of all his amenities. Back home in Russia, Alex finally makes her move on Semak.

Birkhoff tells Nikita that Sonya is Amanda’s mole and not only has Amanda reactivated Sonya’s kill chip but she also placed a second mole in Division to keep an eye on her. Nikita, Michael and Ryan devise a plan to use Sonya to ferret out Amanda’s hiding place and Birkhoff sets a trap for the second mole. Meanwhile, Michael confronts Alex about her drug use and she begs him not to tell Nikita.

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.

Before becoming engaged, Nikita said, "There's always gonna be another mission." Now, after barely surviving harrowing recent events, Michael questions his fiance's commitment to a life beyond Division's web of deceit, double-crosses and murder - and he's not the only one with doubts. Still, the remaining threat of Amanda looms large over the team, particularly since she's now allied herself with mysterious new partners that furnish her with a terrifying new weapon. Meanwhile, Alex considers an intriguing offer from the Nobel Prize winner she's defending.

Jones benches Amanda and takes back the reigns of the operation. He calls Nikita and offers her and the entire team complete freedom by wiping away their identities and faking their deaths if they walk away from their mission. The team lands the plane on a secluded Pakistan air strip, but when the local drug czar and his men storm the plane and demand ten million dollars, so Nikita calls Alex for the money. After Alex pulls diamonds out of a safe deposit box to pay the insurgents, Sam sees an opportunity to recoup his losses and contemplates stealing the diamonds. Meanwhile, Michael comes face-to-face with an old adversary, Ramon, who hits Michael with some hard truths.