With a new brood of wyrms coming of age more wyrmriders need to be trained.

But as a half-human and an outsider, not all of the Fomorian Wyrmriders accept Joni's rule.

Now, it's not a threat from without that threatens Fomoria but one from within.

Can Joni and the Wyrmriders quell the rebellion or will they depose her and unleash their plan to conquer the other Fomorian outposts and dominate the sea?