After his adventures with the Bronze Crown, Peter's reputation as a Finder is spreading quickly in the world of magic. Now, Peter has earned a new locate a forbidden Collectible called the Silver Cross in order to save his friend Deeter, who strangely vanished while searching for it. Hunting for the Silver Cross will be the toughest challenge yet. Legend says the Silver Cross can heal any wound, but not even the Artisans know who made the cross or what it looks like. And when Peter's magic hunt is thwarted by a mysterious woman wearing a mask, he suspects a new villain has arrived to enact vengeance against him and his friends. No magic can protect Peter's loved ones from this new enemy. To rescue them, he must seek help from the Ghosts and the Choir Boys, two rival gangs of Finders who shouldn't be trusted. But in his search for answers, he'll have to face a dark memory from his own forgotten past. And if his quest for the Silver Cross fails, it will cost him something more precious than his lost memories or magic itself - the lives of his friends.