Having retreated to the windswept cliffs of Cornwall with his beautiful wife, Gabriel Allon's seclusion is interrupted by an eccentric London art dealer with a problem. An art restorer has been brutally murdered and a portrait by Rembrandt stolen—and only Gabriel can find it. But as he pursues the masterpiece across the globe, Gabriel discovers there are deadly secrets connected to the painting—and even deadlier men who will do anything to keep them.