6-19: In the Pale Moonlight
Sisko struggles with ethics as he works with Garak to persuade the Romulans against allegiance with the Dominion.
6-16: Change of Heart
When Jadzia is mortally wounded, Worf must make the difficult decision to save his wife or the mission.
6-25: The Sound of Her Voice
While en route to rescue a stranded Starfleet officer, members of the Defiant crew communicate with her over subspace.
Sisko and the recently captured Dukat, distraught from losing everything, become stranded together on an isolated planet.