Sisko launches the Federation/Klingon/Romulan attack against the Dominion on Cardassia. Kira, Damar and Garak destroy a power supply on Cardassia as the Cardassian population rises against the Dominion. Kai Winn asks Gul Dukat to join her in releasing the Pah-wraiths from the Fire Caves. Bashir and Ezri spend the night together on the eve of the war. The Founder Leader orders the execution of Damar, Garak and Kira after Jem'Hadar forces capture them; however, Cardassian forces free them. Meanwhile, on Bajor, Kai Winn recites from the Kosst Amojan in an attempt to release the Pah-wraiths.moreless
The Dominion War is entering its final stages, with many surprises. Meanwhile, in the Fire Caves, Kai Winn and Dukat continue their efforts to release the Pah-wraiths. Can they and the Dominion be stopped? Things look grim for the Federation and the crew of Deep Space Nine.moreless
Sisko takes command of a new ship named in honor of the Defiant, while Kira, Garak and Damar barely survive a Dominion ambush on Cardassia Prime. Bashir and Ezri reveal their attractions for one another over coffee. Quark is appointed Zek's successor, and he is determined to overthrow new democratic changes that have just been implemented into Ferengi society. Garak, Damar and Kira successfully plant a bomb in Dominion barracks on Cardassia. In a shock turn of events, Zek appoints Rom as the new Grand Nagus of Ferenginar, despite Quark's earlier announcement.moreless
Sisko plans an attack that will allow them to tap in to the Dominion's communication array in the Alpha Quadrant on the planet AR-558. He must also find a way of revealing the 'Houdinis'; mines which hide themselves in subspace and explode without warning.
Stardate: 51825.4 Nog and Jake are rescued by the U.S.S. Valiant when their ship is attacked by the Dominion while on their way to Ferenginar. The crew of the Valiant consists of the Starfleet Cadet corps known as 'Red Squad,' an elite band of cadets, after the main crew were killed when the Dominion War broke out. They decide to complete their mission, which Jake sees as suicide.moreless
Sisko faces thousands of Dominion warships alone in an attempt to regain Deep Space Nine. Kira, Jake and Leeta are suspected of trying to stop the attempts at disabling the minefield and are held for questioning. Everything seems doomed and everyone makes ready for a final stand.
Sisko is promoted, and Dax is placed in command of the Defiant. She must disable a Dominion sensor array that has been monitoring all traffic within five sectors. Meanwhile, on Deep Space Nine, now named Terok Nor, Kira must find a way of preventing the minefield from being destroyed. Odo's loyalties are questioned when he physically joins with the Founder Leader.
Several months after Deep Space Nine was handed over to the Dominion, the Federation is losing the war. Being relieved of command of the Defiant, Sisko is placed in command of the salvaged Jem'Hadar warship they discovered several months earlier, and must destroy the main Ketracel-White production facility in the Alpha Quadrant. The mission is a success, but it leaves the ship without warp engines and stranded 17 years from the nearest Federation Starbase.