In a deserted artist's studio in the heart of Rome, detectives stumble upon a scene of shocking brutality: two bodies, freshly killed. Looming over them is a painting that bears all the hallmarks of a Caravaggio: a brilliantly colored canvas depicting a shocking tableau of beauty and depravity. . . . <i><br><br></i>This grisly discovery sends Detective Nic Costa on a desperate chase through the streets of his city. For Costa, finding the killer who escaped him is intensely personal…Teaming with an art expert, Costa follows clues hidden in the mysterious Caravaggio canvas. As he moves through a maze of history, he begins to make stunning connections to the present case. And each discovery brings him closer and closer to a secret buried in a priceless work of art, a conspiracy dating back four hundred years—and men who will stop at nothing to protect their own private garden of evil….