"Deduction" is a series of foreign detectives, seemingly classic.... The thirty-second caliber is a detective in which the detective himself, and not his assistant, acts as the narrator. However, the detective is unprofessional - just a person who has to figure out what happened - an accident or a murder? And if it was a murder, was his sister really guilty of it? To save her, and find a real criminal, our hero has to master the profession of a detective.