Quark discovers that Grand Nagus Zek has written a new set of the Rules of Acquisition, which would put an end to the traditional Ferengi ways.
Exposure to radiation causes O'Brien to jump hours into the future for brief periods, as Deep Space Nine hosts Romulan and Klingon delegations.
Woohoo! I have finally caught up with The Journey, and in warp speed fashion!
Julian Bashir is subjected to a telepathic attack in which the station represents his mind, the crew represent aspects of his personality and he is aging rapidly.
Sisko is convinced by "Smiley" O'Brien from a parallel universe to assume the role of the dead Captain Sisko, and convince Jennifer Sisko to defect to the Terran side.
Garak's tailor shop is bombed, forcing Odo to investigate who is trying to kill the Cardassian exile – and why.
Garak reluctantly tortures Odo for information to prove his loyalty to his former mentor, as a joint Tal Shiar/Obsidian Order attack on the Founders is underway.
Sisko builds a replica of an ancient Bajoran space vessel and with Jake attempts to prove that the Bajorans developed interstellar travel before Cardassians.
Quark returns to his home planet to confront his mother after hearing from the Ferengi Commerce Authority that she broke the law by earning profit.
Kai Winn needs Kira to convince her former resistance leader, now a farmer on Bajor, to return soil reclamators needed elsewhere.
Jadzia Dax deals with feelings of inferiority as she encounters past hosts in a Trill ceremony.
A Changeling sabotages the USS Defiant as it attempts to start a war in the Alpha Quadrant, making it easy for the Dominion to invade.
A Klingon fleet arrives on its way to expand the Klingon Empire in the face of the Dominion threat, and Worf is brought to DS9 to negotiate.
The Klingon Empire withdraws from its peace treaty with the Federation and Worf must decide where his loyalties lie, as the Klingon fleet sets off to attack the Cardassian Union.
An elderly Jake Sisko relates the story of how he lost his father to a temporal displacement accident.
Bashir assists a rogue group of Jem'Hadar attempting to overcome their addiction to Ketracel White.
Forced to bring along Dukat on a personal mission, Kira discovers the real reason her old enemy wants to accompany her.
Dax is reunited with one of her former hosts' mates, and the two struggle with their feelings for one another.
The USS Defiant becomes trapped in a planet's volatile atmosphere after battling with the Jem'Hadar.