Five years after the events of Babylon 5, a technomage predicts an imminent attack by the Drakh, old allies of the Shadows. Through dreams, a thief, a captain, and a president are brought together to thwart the attack. The president, John Sheridan, is struggling with irrational behavior, causing his friends to question his sanity.

Babylon 5: A Call to Arms
The Drakh, once allies of the Shadows, now seek vengeance against humanity in the aftermath of the Second Shadow War.