Nikita (Maggie Q) is a former assassin and agent working for Division, a secret U.S. agency, until 2007, where she went underground after they double crossed her by killing Daniel Monroe, a man she fell in love with. Three years later she resurfaces with the intent on thwarting Division's operation one assignment at a time. Meanwhile, Alex (Lyndsy Fonseca) is arrested for armed robbery; Division fakes her death and is forced to start her training to become an assassin, which is how they recruit agents. Meanwhile, working with a source within Division, Nikita hears about "Black Arrow", an operation to assassinate an African diplomat; Nikita saves the diplomat and drops him off at the United Nations, and later confronts her former boss, Percy (Xander Berkeley) to declare war on Division. Agent Michael (Shane West) chases after her, but she wounds him and escapes. While Percy assigns Division to find Nikita, Alex is revealed to be her source in stopping Division.