Back in Nikita's days at Division, she infiltrated the inner circle of a man named Nicholas Brandt, captured him, and put him behind bars. Percy breaks Brandt out of prison, and Brandt's first mission to get revenge on Nikita. When Brandt captures and tortures her, Nikita faces a side of herself she thought she had disappeared long ago. Meanwhile, Percy continues to play mind games with Michael, Sean, and Alex, and pushes one of them to the brink of death.moreless
Percy continues on this mission to take back Division by threatening to Carla, Nikita's former mentor who rescued Nikita from the streets when she was a junkie. Determined to reach Carla before Percy can get to her, Nikita uses Madeline to send Carla a message. However, Percy intercepts the message, and he and Nikita race to see who can get to Carla first. Meanwhile, Amanda tells Alex that the time has come for her to reclaim Zetrov and reveal her true identity to the world.moreless
In Clean Sweep, Percy holds members of Oversight hostage as leverage to make Amanda meet his demands. He threatens to let deadly gas loose inside Division. One of his hostages is Sean's mother, and Sean goes to Nikita seeking help. Nikita must decide whether to save the innocent lives within Division or let the enemy of her enemy become her friend.moreless
Desperate to protect his mother, Sean attacks Nikita and Michael. Meanwhile, Percy gains the upper hand on Amanda and threatens to take down Division unless she releases him.
Oversight hosts an emergency meeting after realizing that Nikita is stealing their funding. Birkoff helps Nikita spy on the meeting, allowing her to identify the other members of Oversight, but things don't go as planned when Sean captures Birkoff. Amanda demands that Birkoff reveal where Nikita is hiding, but Birkoff refuses to give up her location, and Amanda tortures him. Meanwhile, Alex begins to execute her plan to reclaim her father's empire. With a price on her head, Alex decides that the the easiest way to get into Russia undetected is the same way she was smuggled out – through the illegal sex ring.moreless
Michael becomes concerned when he learns that Cassandra is in trouble, and he rushes off to protect her. Michael discovers that General Tupelov has accused her of stealing two hundred million dollars and has threatened to kill her unless she returns the money. However, some inconsistencies in Cassandra's story cause Nikita to wonder what Cassandra might be hiding. Meanwhile, Percy presents Alex with a very tempting offer that could provide her with the resources to take out Semak.moreless
From behind bars, Ryan uncovers patterns that reveal how Oversight gets its funding. He sets up a meeting with Nikita to fill her in on the details, but Amanda intercepts their coded messages and alerts Oversight, who sends in one of their members own to question Ryan. Nikita and Michael scramble to break Noah out of prison before Oversight reaches him. Meanwhile, Alex is being tailed by Gogol and comes face to face with someone from her past.moreless
Nikita and Michael plan to take down Division and Oversight, using the contents of the black box to help them with their mission. Amanda is now leading Division, but Oversight has assigned one of their agents, Sean, to keep a a close watch on her. Amanda's first mission is to retrieve the black box from Nikita, and she pursues Alex's help in the mission. Alex refuses to cooperate until Amanda tells her she will help her find the man who killed Alex's father. Meanwhile, Nikita and Michael receive help from an unlikely ally during their mission.moreless