Star Trek: Deep Space Nine
Past Prologue
S1 E3:
Kira has barely gotten to know her new DS9 colleagues or settled in as a "legitimate" officer of post-occupation Bajor when she has to confront an old fellow freedom-fighter who can't give up the fight -- and the infamous Duras sisters from TNG are a surprise part of his plans.
Starring
Jeffrey Nordling, Andrew Robinson, Gwynyth Walsh