Stardate: 48439.7 As the Maquis crewmembers begin to integrate themselves into the Starfleet crew, Voyager becomes trapped in a quantum singularity.

Janeway tries to make an alliance with a Kazon sect for their own protection and so they can continue their journey through the Delta Quadrant.

When the Mirror Universe counterpart of Sisko’s deceased wife lures Jake to the other side, Sisko must follow and help the human resistance against the Alliance’s forces.

Sisko is kidnapped to impersonate his deceased, mirror universe self to gain Jennifer Sisko’s loyalty in the Rebel Alliance.

While a Romulan delegation tries to get information about the Dominion, O’Brien gets visions of unpleasant things that are about to happen in the future.

Kira and Bashir find themselves in an alternate universe.

Word that a previously thought dead Bajoran resistance legend is still alive sends Kira and Chief O’Brien to Cardassia IV to rescue him; meanwhile “The Circle”, a sect of the…

Stardate: 41503.7 Two Klingons, rescued by the Enterprise, try to take over the ship.

Geordi and a former crew mate begin evolving into bizarre creatures when they return to a planet both of them were on during an Away Mission five years earlier.