This film tells the story of Jeffrey Dahmer, one of the most notorious serial killers in the United States in the 20th century, when he was young. Not only did he brutally kill 17 people, he also ate human flesh and desecrated corpses, and was known as the "Milwaukee Monster." This new film is adapted from the graphic novel of Dahmer's rare high school friend, Dove Buckderfer, and is directed by Mark Myers. It records the story of how the young Dahmer gradually became weird in behavior and eventually reached an irreversible situation.