Dr. Everett Jacobs, the former personal physician to the late President Santiago and current President Clark, arrives on the station. He is a "High Value Target" for EarthForce because he possesses a data crystal containing evidence that President Clark feigned illness to avoid being on EarthForce One when it was destroyed.
The crew's observation of Kosh’s ship reveals it is likely "a thousand years ahead" of Earth technology, confirming the Vorlons as an immensely powerful and ancient "First One" race. Babylon 5 s02e13 Episode Script | SS [S2E13] Hunter, Prey
Kosh agrees, famously stating, "I will teach you... about you... until you are ready... to fight legends". The crew's observation of Kosh’s ship reveals it
The episode reinforces the growing authoritarianism of the Clark administration and the reach of the "Nightwatch" or EarthForce intelligence. until you are ready
This episode is a major turning point for Captain Sheridan's arc regarding the Vorlons:
Special Agent Sarah Cranston arrives from Earth to lead the hunt for Jacobs. She brings a "cerebral probe" to scan everyone on the station, putting pressure on Commander Ivanova and Security Chief Garibaldi to find the doctor before EarthForce does.