It has been fifteen years since Billy and Bonnie Bannister helped repel the demonic assault on Heaven.
All the while,.
Earlier, the world\'s acceptance of dragonkind crumbled, and the Enforcers took the infant twins born to Billy and Bonnie and stole Excalibur, hoping to develop a weapon to battle the dragons that are sure to try to rescue their allies.
Now they and Ashley Foley sit in a maximum security prison where the authorities conduct experiments on them to learn the secrets of long life.
It has been fifteen years since Billy and Bonnie Bannister helped repel the demonic assault on Heaven