The Vorlon ambassador is nearly killed by an assassin shortly after arriving at the station, and Commander Sinclair is the prime suspect.

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

Dr. Franklin gets a visit from an old friend and former mentor, xenoarchaeologist Dr. Vance Hendricks who wants Franklin's help to analyze some organic artifacts he found on a dead world. But the artifacts seem to have a will of their own and start to manipulate Hendricks' assistant.

A racist group is terrorizing non-humans on Babylon 5. Meanwhile Londo has trouble with two young Centauri who want to break with tradition by ignoring their arranged marriages, and instead marry for love.

An alien couple comes to Dr. Franklin with their fatally ill son. The child could be cured by a simple operation, but the parents' religion specifically forbids it. Meanwhile, Ivanova escorts a damaged star liner through raider territory.

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.