When the Narn attack a Centauri colony, Londo and G'Kar nearly come to blows. Meanwhile, raiders are attacking transport ships near the station.

Sinclair is kidnapped and interrogated by two men determined to prove he betrayed earth during the Battle of the Line.

A man comes to Babylon 5 asking the alien ambassadors for information that can help him with his quest to find the Holy Grail, while a Downbelow gangster gives security problems by mind-wiping all who oppose him.

A Minbari war cruiser comes to Babylon 5 to display the body of a recently dead Minbari leader, while Ivanova and Talia battle for the fate of a young girl with newly discovered telepathic powers.

The situation heats up when an Earth Force heavy cruiser arrives to "protect Earth's interests", and the fusion reactors on Epsilon 3 start going out of control, and may blow up the planet and Babylon 5.

Babylon 4 reappears at the same place it disappeared four years before, and Sinclair and Garibaldi lead an expedition to evacuate its crew. Meanwhile, Delenn is summoned by the Grey council. They inform her that they have selected a new leader - her.

The Centauri are about to withdraw from a quadrant of space because the Narn are harassing them, when Londo gets an offer to take care of the problem. Meanwhile, Garibaldi tries to find out what his informant stumbled upon that got him killed.