Kira's resistance cell continues to cause trouble onboard DS9, deliberately inflaming tensions between the Jem'Hadar and the Cardassians. But their plots are complicated when the Female Changeling arrives on DS9 to pay Odo a visit. Meanwhile, Sisko relinquishes command of the Defiant to Dax after accepting a promotion.

Commanded by Captain Sisko, the Federation fleet begins it's mission to retake DS9 before the Dominion can bring down the wormhole minefield. On the station, Kira's resistance cell desperately try to sabotage the main computer, and Quark seeks out an unexpected ally to help save Rom.