Kilian Tracer is just teenager when he witnesses the murder of his Jedi master, Doran Platt, at the hands of another Jedi. When the Jedi council dismisses his accusations, Kilian chooses to go it alone. His quest for vengeance will lead him to the darkest corners of the galaxy, and while he will find allies, he soon discovers that the enemy he faces is a far greater foe than he had ever imagined.