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. Borrowing a captured Jem'Hadar attack ship, Sisko and crew embark on a mission to destroy the hidden base where all of the ketracel-white is stored for the entire Alpha Quadrant.

Stardate: Unknown. Sisko, laying low on Earth since the wormhole's disappearance, receives a vision of an unfamiliar woman he believes is the key to regaining contact with the Prophets. Meanwhile, Kira faces the challenge of commanding Deep Space Nine and upholding the fragile alliance with the Romulans, and Worf must cope with the loss of Jadzia Dax.

Stardate: 52152.6. Ezri Dax joins Sisko and his family on his quest for the Orb of the Emissary. Jadzia's friends and family seek a glorious battle that will earn her place in Sto-vo-kor. Kira gambles the alliance with Romulans by blockading their weapons installation on Bajor's moon.