On the morning after Clara's art show at the Musée in Montreal, a woman's body is found among the bleeding hearts of Clara's garden in Three Pines. When Chief Inspector Gamache is called in to investigate, he finds the art world gathered - a world of shading and light, where nothing is as it seems. And when facts are exposed, it is no longer clear to Gamache if he's found the truth, or simply a trick of the light.