Bester visits the station to track down a dealer of Dust - an illegal drug that gives normal people temporary telepathic powers. Seeing it as a potential weapon against the Centauri, G'Kar tests the drug on himself, with unexpected consequences. Meanwhile, Vir returns to Babylon 5 after his first diplomatic mission to Minbar.

A startling revelation from an archaeologist on the run from President Clark leads Sheridan and Delenn on a dangerous mission into Earth Alliance space. Meanwhile, Nightwatch increases their surveillance operations on Babylon 5, putting Zack Allen in an uncomfortable position.