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.
