The series "A Good Girl's Guide to Murder" is a British detective thriller about the murder of a high school student. Five years ago, schoolgirl Andy Bell tragically died in her hometown. Sale Singhom is sent to prison for her murder, and he confesses his guilt. The case is closed, and the rumors die down. But there is one person who is convinced that the true criminal is still walking free. Pippa Fitz-Amobi, a slightly strange girl, decides to conduct her own investigation, even though no one believes her.