It is one of the most notorious assassinations in modern history: the murder of the Romanovs, Russia's ruling family. Once the subject of a high-stakes murder investigation, the trail went cold of Soviet rule. Now, the mysterious deaths are fueling a heated battle between forensic scientists, religious leaders, and Russia's political elite. Are the bones buried in St. Petersburg really those of the Romanovs? And what became of two of their children, whose bodies were never recovered? Can members of the family have survived a night of unspeakable brutality, or did one of the world's most powerful dynasties really come to an end, changing the course of world history to this day?