Sisko commissions Kira to aid Cardassian rebels; Odo has symptoms of a deadly disease that is ravaging the Founders.
Kira masterminds a plot to obtain an enemy weapon; Worf investigates a power shift within the Klingon Empire.
In her search for the perfect mate, Troi's mother beams aboard the Enterprise -- and sets her sights on Captain Picard.
Sisko (Avery Brooks) refuses Worf's (Michael Dorn) resignation; Deep Space Nine is attacked by a Klingon war fleet. With Terry Farrell, Alexander Siddig, Marc Alaimo and Robert O'Reilly.
Worf finds his faith sorely tested when it appears that the greatest Klingon warrior of all time has returned from the dead to reclaim the empire.