The quest to rescue the slaves on the dragon planet of Starlight continues, as those from the human planet, Major Four, attempt to overcome the dragon prophecy surrounding the black egg, while those on Starlight work to fulfill the prophecy.
When a vicious evil is unleashed on the earth, the dragons are the only thing that can defeat it, forcing Billy and Bonnie to lead the dragons into war against the Watchers.
When Billy learns his father was once a dragon, and has passed on some of his power to Billy, Billy feels betrayed, but must put aside his feelings when he is trapped by a dragon slayer and is forced to use a power he does not understand or accept to escape.
Billy and Bonnie use their dragon traits and the wisdom they gained through their earlier adventures to explore a multi-dimensional domain of evil and defeat a powerful enemy.
When a mysterious book leads Billy into mortal combat with a powerful dragon slayer, he must rely on a sword and a shield he cannot see to defeat the powerful enemy.
Jason Masters does not believe that dragons take people to another realm as slaves until his own brother is taken, but once through the portal he meets Koren, a slave struggling to destroy a black egg prophesied to doom all mankind.
