The fourth book in the dark horror and espionage Dark*Matter series. Escorting a mystic computer hacker to the Hoffman Institute plunges Jeane, Fitz, and Ngan into a desperate life-or-death struggle to recover the legendary, long-lost Holy Grail. The Dark*Matter books are set in a world of paranormal conspiratorial horror. Fans of contemporary horror will find these books edgy, unique, and engaging, and the series design emphasizes the contemporary nature of the books.