Stardate: 49170.65. Sisko travels to Earth when a bombing at a Federation conference is determined to be the work of Changelings.

Stardate: Unknown. When Starfleet institutes martial law to combat the Changeling Menace, Sisko begins to question if the Dominion is the real threat.

Stardate: Unknown. As the war between the Federation and the Dominion continues, Sisko and his crew are reassigned from the Defiant, while Kira and Odo cope with the bureaucracy of the station's occupation.

Stardate: Unknown. As Kira begins working with a Romulan presence aboard the station, Sisko looks for answers in a vision he receives from the Prophets, leading him to uncover a family secret.

Stardate: 52152.6. As Sisko searches for the Orb of the Emissary, Kira prepares a blockade opposing the Romulans near the Bajoran moon Durna. Meanwhile, Worf and Martok lead a suicide mission in Jadzia's name.