At the beginning of 2259, Captain John Sheridan replaces Sinclair as the military governor of the station. He and the command staff learn that the death of President Santiago was actually an assassination masterminded by Vice President Clark (who assumed the Presidency upon Santiago's death). A conflict develops between the Babylon 5 command staff and the Psi Corps, an increasi...。在天狼星6B 杀人机器屠杀人类事件的13年后, 某搜救小组接收到来自天狼星的讯号 , 这意味著多年后奇迹生还的人类? 还是变种的杀人机器演化为更恐怖的世代? 又或者是半人半械的混血物种要来完成消灭人类的大业?。