When Commissario Brunetti receives a visit from one of his wife's students with a strange and vague interest in investigating the possibility of a pardon for a crime committed by her grandfather many years ago, he thinks little of it, despite being intrigued by the girl's intelligence and moral conscience. But when the girl is found stabbed to death, Claudia Leonardo is no longer Paola's student, but instead becomes Brunetti's case. Claudia seemed to have no discernible living family, but lived