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.

Michael gives up his role as a field agent and resumes his role inside Division running Operations. After learning key information from Birkhoff, Nikita preps a secret mission that takes her into dangerous territory. When Michael and Alex and Ryan find out, they follow her into Kosovo but the outcome has far-reaching consequences for.