La Femme Nikita (1997) : 1x19

While working undercover near a Central European Consulate, Nikita is confronted by a known serial rapist. Nikita easily subdues the man, leaving him battered and bruised. O'Brien, the police detective on the case, has been pursuing the man for years, and realizes that the rapist's victim was no ordinary woman. With the help of a witness he manages to break through Nikita's cover story and track her down. O'Brien now knows the truth about Nikita, he will have to be cancelled, unless Nikita can turn the situation around to her advantage.