Ambassador to to the alien world of Minbar, former Babylon 5 commander Jeffrey Sinclair is one of the first to learn the truth about the Shadows, the ancient race pursuing the destruction of the galaxy. Sinclair also discovers that he is the linchpin in the plan to stop them. Now he is asked to revive the legendary Minbari warrior group, the Rangers. Catherine Sakai, commercial pilot and planetary surveyor has lost her heart to Jeffrey: not even an attack by the Shadows can stop her getting to Minbar to join him and the Rangers. As she trains with other pilots, the time is coming where their skills will be tested on their first mission. Led by Sinclair they will venture into deepest space, into a battle of stealth and might and a fate that none but the bravest can face, and none but the luckiest will survive.