Recalled to service in Israel after terrorists steal secrets about his past, art restorer and sometime spy Gabriel Allon finds himself stalking an elusive master terrorist in a deadly cat-and-mouse game.

At an exclusive private school in Switzerland, mystery surrounds the identity of the beautiful girl who arrives each morning and leaves each afternoon in a heavily protected motorcade fit for a head of state. She is said to be the daughter of a wealthy international businessman. She is not. And when she is brutally kidnapped across the border in the Haute-Savoie region of France, Gabriel Allon, the legendary chief of Israeli intelligence, is thrust...