One August afternoon, on the shoreline of the Kamchatka peninsula at the northeastern edge of Russia, two sisters, eight and eleven, go missing. In the ensuing months the police investigation turns up nothing. Echoes of the disappearance reverberate across a tightly woven community, with the fear and loss felt most deeply among its women. Connected by the crime: a witness, a neighbor, a detective, a mother. Social and ethnic tensions have long simmered in the region, and outsiders are often the first to be accused...