Explosions rock the space station and trap G'Kar and Londo in the transport tube, where each takes bitter delight in the possibility of the other's demise.
Brother Edward, a new arrival on the station, is haunted by visions and learns he was subjected to a punishment called death of personality.
When Centauri noble Virini arrives with Lord Refa to decide who should be elevated in the hierarchy, Londo plans to promote himself by placing G'Kar in peril.
Sinclair and Ivanova make a dangerous discovery on a long-dead planet; a planetwide rebellion on Mars causes Garibaldi concern.
Sinclair and the crew work desperately to stop the doomsday machine activated on a dead planet; Garibaldi discovers what happened to a friend on Mars.