Delenn prepares for a ceremony of rebirth, the station's computer goes through an interesting change, Londo "encourages" Refa to stop associating with the Shadows, and the remains of the Nightwatch on Babylon 5 plan to strike at Sheridan through Delenn.

Vir returns to Babylon 5 to find that he now has a wife and that two Narns are out for his blood. Meanwhile, Ivanova investigates the activities of the mysterious Centauri Abrahamo Linconi.

Bester comes to Babylon 5, this time seeking help against a common enemy - the Shadows. Meanwhile, G'Kar demands to be included in the War Council.

Morden returns to secure Londo's cooperation again, Garibaldi confronts Franklin about the stims, and Kosh gives Sheridan a victory against the Shadows - but at a price.

Ivanova gets a distress call from herself pleading for help as the Shadows destroy Babylon 5. It is dated eight days into the future. At the same time, on Minbar, Sinclair is given a nine-hundred-year-old letter from Valen, telling him that a drastic action must be taken to prevent that future.

While Sheridan is unstuck in time, seeing a glimpse of a future Centauri Prime in ruins, the others continue with their plan to take Babylon 4 back in time.

The new Vorlon ambassador arrives, Sheridan decides it's time to test just how effective telepaths are against the Shadow ships, and Franklin is on walkabout in Downbelow and falls in love with a singer.

Garibaldi investigates an area where a maintenance worker disappeared and finds a whole floor that was forgotten after construction, including its rather strange inhabitants. Meanwhile, Delenn is about to take on the role of Ranger One, but Neroon swears to stop her.

Londo forces Vir to participate in a plan to kill G'Kar. Sheridan struggles with figuring out the Shadows' tactics.

With the Shadows next target known, a massive counterattack is prepared. Ivanova and Marcus scout ahead in the White Star, while the fleet stands by in hyperspace. At the same time, Franklin finally has to face his problems as he lies fatally wounded in Downbelow.

After he has recovered from the shock of seeing her, Anna gives Sheridan an ultimatum - come to Z'ha'dum with her, or never know what happened to her there.

In the aftermath of the explosion on Z'ha'dum, Sheridan is presumed dead and Garibaldi is missing. Delenn struggles to keep the alliance against the Shadows together, and Londo takes up his new position on Centauri Prime as security advisor to the emperor.

On Z'ha'dum, Sheridan floats somewhere between life and death. Meanwhile, G'Kar risks imprisonment to try to find Garibaldi.

Ivanova and Marcus take a White Star out to search for more first ones to aid in the war, while Londo tries to convince G'Kar to swallow his pride so Cartagia will find him entertaining. A mysterious spacecraft makes its way towards Babylon 5.

With the Vorlons destroying whole worlds, Babylon 5 is struggling to cope with the refugees. And with one Vorlon aboard, they cannot make a move without them knowing about it, so Sheridan decides to kill him. On Centauri Prime, Cartagia explains to Londo how he will become a god when the Vorlons destroy the planet.

As reports that the Shadows are destroying planets too start to come in, Sheridan prepares for one final showdown with the Shadows and the Vorlons. Meanwhile on Narn, Londo makes everything ready - G'Kar's chains have been weakened and an undetectable weapon has been acquired. Tonight Cartagia must die.

In the hours before the Shadows and the Vorlons meet Sheridan's alliance at Corriana 6, Ivanova and Lorien search the last of the First Ones, and Londo races back to Centauri Prime in hope of removing all Shadow influence before the Vorlon planetkiller arrives.

Bester comes to Babylon 5 with information about President Clark's plans to discredit the station. But it has a price tag attached - he wants them to go to Z'ha'dum to look for any leftover technology that might help revive his lover. Garibaldi resigns his position as security chief.