Maura Isles has seen many scary things. When you work as a forensic scientist, you are no longer afraid of death. A woman's body, like two drops of water similar to Maura, landed on the autopsy table. The forensic scientist was seized with genuine horror. Who is this stranger? A mysterious twin sister? Is it just a coincidence? But if so, who was the killer really hunting: this girl or Maura? Maybe this is a warning? Time to find answers to all the questions, get ahead of the killer and get on the trail of the one who has been avoiding justice for years...
