The Hitman was a short story by Ernest Hemmingway about a retired hitman named Margaret Calhoun. Margaret was once an excellent killer, but now he lived a peaceful life as a teacher in a small village. However, his peaceful life was broken because a young girl was murdered. Magritte decided to investigate the case. He conducted an in-depth investigation and cooperated with the local police and residents. He discovered that there was a more complicated truth behind the case, including a mysterious organization related to the murder. During the investigation, Margaret also encountered some difficulties, including the struggle with local gangs and mysterious organizations. However, he eventually solved the case and provided important clues to the police. This short story showcased Margaret's intelligence, perseverance and courage, while also revealing the truth behind murder and crime.