After a series of staggering losses, the Republic seems to finally have the villainous Nihil marauders on the run, and it looks like there's light at the end of the tunnel. Until word comes of a suspected Nihil attack on the industrial cosmopolitan world of Corellia, right in the Galactic Core. Sent to investigate are Jedi Masters Cohmac Vitus and Kantam Sy, along with Padawans Reath Silas and Ram Jomaram, all fighting their own private battles after months of unrelenting danger.

As several crises all hurtle toward their thrilling and shocking conclusions, fan-favorite Jedi Knights and Padawans must band together to save the galaxy from the Nihil, the Nameless, and perhaps worst of all, a mysterious blight that turns everything in its path to dust and is seemingly impossible to stop.

Marda and Yana belong to the Path of the Open Hand, a group led by a charismatic woman called the Mother, which believes the Force must not be used by anyone. While Marda joins a perilous expedition to Planet X in search of more mysterious creatures to use against the Jedi, Yana finds herself forming an unexpected alliance with the father of her dead lover in attempt to wrest the Path from the Mother’s control. These two young women will face a crossroads, forced to choose not only their own fates, but that of the galaxy itself.

It is an age of exploration. Jedi travel the galaxy, expanding their understanding of the Force and all the worlds and beings connected by it. Meanwhile, the Republic, led by its two chancellors, works to unite worlds in an ever-growing community among near and distant stars. On the close-orbiting planets of Eiram and E’ronoh, the growing pains of a galaxy with limited resources but unlimited ambition are felt keenly. The two worlds’ hatred for each other has fueled half a decade of escalating conflict and now threatens to consume surrounding systems.

Vernestra Rwoh is a new Jedi Knight at age 16, but her first real assignment feels an awful lot like babysitting. She's been charged with supervising 12-year old aspiring inventor Avon Starros on a cruiser headed to the dedication of a wondrous new space station called Starlight Beacon. But soon into their journey, bombs go off aboard the cruiser. While the adult Jedi try to save the ship, Vernestra, Avon, Avon's droid, J-6, a Jedi Padawan, and an ambassador's son make it to an escape shuttle, but communications are out and supplies are low.