In the Jewish Quarter of Paris an Old Nightmare is Reborn. Aimee Leduc, a Half-American, Half-French Investigator in Paris, is Approached by a Rabbi to Decipher a Fifty-Year-Old Encrypted Photograph and Deliver It to an Old Woman in the Marais, the Old Jewish Quarter of the City. When She Does So, She Finds a Corpse on Whose Forehead a Swastika Has Been Carved. With the Help of Her Partner Rene, a Dwarf With Extraordinary Computer Skills, She Sets Out to Solve This Horrible Crime and Finds Herself Caught Up in a Dangerous Game With Links to Both Modern Politics and Crimes From the Second World War.