When a book of unexplainable occurences brings Petra and Calder together, strange things start to happen: seemingly unrelated events connect; an eccentric old women seeks their company; an invaluable Vermeer painting disappears. Before they know it, the two find themselves at the center of an international art scandel, where no one is spared from suspicion. As Petra and Calder are drawn clue by clue into a mysterious labyrinth, they must draw on their powers of intuition, their problem solving skills, and their knowlidge of Vermeer.
