When the Belzec concentration camp was liberated in 1945, no one could explain how a group of Jewish captives had not only survived but thrived, appearing better fed than their Nazi captors. Thirty-five years later in New York, the youths responsible for the murder of a rabbi’s son are found hideously slain, covered in a strange gray substance. What is the connection between these events? That is the mystery that Rachel Levy and Det. Roger Hawkins must unravel, a mystery that will hold readers spellbound as terrible truths emerge from the nightmare of the past.