Percy and Michael take their latest assignment, a Slavic leader wanted for war crimes, into protective custody. Nikita learns of their hideout and attempts to thwart their plan, but a mysterious group of mercenaries in search of nuclear material beats her to the task. Alex is activated earlier than expected for a special assignment that throws her into the crossfire of bullets. A flashback reveals a pivotal moment in Nikita's life.

The episode was rated 7.96 from 440 votes.

Amanda holds Alex hostage and tells Nikita she will release Alex in exchange for Ari. Michael assigns Nikita and Sean to handle the exchange of prisoners, but Ryan adds Owen to the team at the last minute, which makes Michael suspicious. While in captivity, Alex befriends a fellow prisoner named Larissa and vows to break them both out of the jail, which ultimately conflicts with Nikita’s plan, forcing Alex to choose between Nikita and her promise to Larissa.

The episode was rated 7.96 from 378 votes.

Alex alerts Nikita that Division has activated one of the recruits to execute a suicide mission. Nikita intercepts the recruit at the same time Michael arrives, and the two exchange gunfire. Meanwhile, back at Division, a recruit attacks several guards, which leads to mass chaos.

The episode was rated 7.96 from 340 votes.

Now an agent, Alex gets a new apartment and is given a cover job. She meets her new neighbor Nathan who invites her to a party at his house. Nikita warns Alex about getting too involved with people but Alex struggles between her duties at Division and living a normal life. Nikita realizes Division has implanted a kill chip in Alex's head and sets out to gain control of the chip. While interrogating Birkhoff, Nikita stuns Ryan by revealing a secret.

The episode was rated 7.93 from 307 votes.

Nikita delves into her past when she posed as a nanny for an influential government official and decides to right the wrong of his death. During the mission, Michael comes to Nikita’s rescue and begins to doubt Percy’s motives... Back at Division, while undergoing basic training, Alex suffers from a panic attack which prompts Amanda to break her of claustrophobia.

The episode was rated 7.92 from 374 votes.

Division sends Thom to eliminate Anna, a woman who was having a secret affair with a U.S. Senator. Division agrees to cover up any trace of the affair as long as the Senator agrees to help pass a bill that will continue to fund the agency. Nikita, with Alex's help, attempts to reach out to Anna's parents, but the conversation doesn't go as she expected.

The episode was rated 7.92 from 325 votes.

Nikita and Owen face off against a rogue “cleaner” named Liam, while Michael takes a new position at Division. Michael and Nikita’s relationship becomes strained as he watches her work with Owen.

The episode was rated 7.90 from 339 votes.

Ryan intercepts information about a dangerous new weapon coming into the U.S. and asks Nikita to help him prevent its delivery. Nikita learns that the man bringing the weapon into the country is Voss, a man Division forced her to have a relationship with while working undercover. She reluctantly resumes her alter ego to prevent the missile from being delivered. Meanwhile, Michael interferes with Alex's relationship with Nathan.

The episode was rated 7.89 from 302 votes.

Ray (Matt Bushell), a rogue agent, kidnaps his girlfriend Kate (Anna Hopkins), 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.

The episode was rated 7.89 from 318 votes.

Nikita rescues Jill, a journalist who is trying to expose a conspiracy involving Division and a major plane crash. Michael and Percy suspect Birkhoff of being Nikita’s inside mole and send Amanda in to interrogate him... Michael enlists the help of the recruits, Alex, Jaden and Thom, to help them locate their latest target.

The episode was rated 7.87 from 408 votes.