For centuries, wizards have avoided making war on each other for fear of waking the legendary dragon that sleeps at Raven's Ghyll. But it is a new age. The patriarch Nicodemus Snowbeard is rapidly failing. The Wizard Houses of the Red and White Rose have united against Claude D'Orsay, Master of Games and keeper of the Dragonhold, and a moment when he and and his sadistic son Devereaux seem poised to seize control of all of the magical guilds. But then everything changes ...

Jason Haley has been trying to be part of the action for months: he wants to help, but no one seems prepared to let him in. Seph is monitoring the defensive walls. Jack and Ellen are training their ghost army, even his Anaweir friends are doing their bit to help. Only Jason seems to be left out - until he stumbles across a powerful talisman, called the Dragonheart, hidden away in a cave. It seems to sing to Jason, its power calling to him. Perhaps, finally, he's going to be able to help.

The final battle is coming, and the magical community of Trinity is about to risk the destruction of everything they care about in order to remain free. The outcome is balanced on a knife edge, and the slightest advantage could turn the tide. If Jason can help, if the moody and mysterious Madison Moss can be persuaded to join the Weirguilds before it's too late, and if the friends who make Trinity a place worth fighting for remain true ...