Bornan Thul’s secret is he’s protecting a deadly plague that could devastate the galaxy if released. And the evil Nolaa Tarkona–leader of the Diversity Alliance–knows where it is hidden. Now Jacen, Jaina and their allies must race against time. As a massive battle rages between New Republic soldiers and the forces of the Diversity Alliance, the young Jedi Knights must find and destroy the plague before it can be released.