Joss and his Bladebound brethren have worked hard to earn their paladero training, from battling bloodthirsty witches and monsters to hunting down a gang of vicious kidnapping pyrates. But when the three friends travel to Hero's old order, Blade's Edge Acres, to continue their training, they are faced with a new challenge: Hero's mentor, Lord Haven, is dead. And it looks like he may have been murdered. As the trio investigate Haven's death, they uncover a sinister plot that threatens all of Thunder Realm. But with dark figures circling ever closer, do the three young prentices have any chance of saving the kingdom--let alone themselves?