Point of no return : As the Earth Alliance plunges toward civil war, internal strife threatens to shatter the command structure of B5. Zack's loyalties are put to the test when the Nightwatch is ordered to take over station security. Londo receives another glimpse of his destiny.

Babylon 5 is an outer-space way station, a port-of-call for diplomats, entrepreneurs, and scalawags of all species. Commander Jeffrey Sinclair -- aided by chief security officer Michael Garibaldi, Lt. Commander Susan Ivanova, and resident telepath Talia Winters -- tries to keep apprised of all the intrigues swirling around his little corner of the galaxy, but things invariably spiral out of control.