While on leave on Earth, Sisko uncovers a long-held secret after receiving visions of a mysterious woman. An "old" friend makes a stunning return and Kira clashes with a Romulan Senator.
Sisko pursues a vision from the Prophets while Kira implements a blockade against the Romulans. Meanwhile, Jadzia’s closet friends ensure her passage into Sto-vo-kor.
Against the will of the Prophets, Sisko marries Kassidy Yates while Worf and Ezri are held captive on a Breen vessel. Dukat continues using Kai Winn to unleash his sinister plan.
Altered to appear Bajoran, Gul Dukat manipulates Kai Winn into studying how to release the Pah-wraiths, while the new Breen-Dominion alliance takes center-stage.
Odo, Kira, and Garak help prepare Damar’s group of rebels, Gowron arrives on DS9, and Dukat and Kai Winn continue to study how to release the Pah-wraiths.
With Grand Nagus Zek en route to DS9 to announce retirement, Quark is believed to be appointed his replacement. Meanwhile, an ambushed Kira, Damar, and Garak elude capture on Cardassia.
