After an overhaul at the FBI's New York office, Special Agent Pendergast is forced to accept the unthinkable; working with a partner. They are assigned the case of a devious killer whose crimes are distinguished by mysterious letters left at seemingly unrelated gravesites in Miami. As Pendergast digs deeper, he soon realizes there may be more to the killer, and his new partner, than meets the eye. The 18th book in the series.