S4, E6: Frustrated that MDK is still active, Nikita decides to end it her way. Leaving Michael and the team behind, Nikita takes Alex on the road to exact revenge. Nikita and Alex capture Mr. Jones and force him to reveal the names of the rest of the members of MDK. Armed with the information, Nikita goes down a dark path that may ultimately cost her her soul. Michael tracks her down and must get her to surrender before the military opens fire and kills her. However, Nikita isn't one to give up on a fight, leading her to make a shocking decision.