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Plot Overview: “A Good Girl’s Guide to Murder” by Holly Jackson is a young adult mystery novel, now a Netflix series starring Emma Myers (“Wednesday”/“Family Switch”), centers around Pippa Fitz-Amobi, a high school student who decides to investigate a local murder for her senior project. Five years earlier, Andie Bell, a popular high school student, disappeared and was presumed murdered by her boyfriend, Sal Singh, who later died by suicide. The case was closed, but Pippa believes there is more to the story, especially since Anide’s body was never found. As she delves into the investigation, she uncovers secrets that suggest the real killer might still be out there.
Click here for our audio review of “A Good Girl’s Guide to Murder”
Ending Explainer:
So, by the end of the series, Pip’s investigation takes a dramatic turn. She discovers that Andie’s murder was not the straightforward case it seemed to be. It turns out that Andie had a lot of secrets, including blackmailing a few of her peers and teachers. This creates a web of suspects with various motives.
Pip’s dogged pursuit of the truth leads her to uncover that Andie’s death was caused by Mr. Ward, a beloved teacher at their school. He had been having an affair with Andie, and when she threatened to expose him, leading to an altercation during which he pushes her, leading to a head injury. Mr Ward claims Andie left his house, and he didn’t murder her, but since she goes missing after their meeting, he realizes the cops might trace her movements back to him. He also confesses that he knew his older daughter was involved in a hit-and-run case, and that could get exposed too. So, to cover his tracks, he framed Sal Singh, making his death look like a suicide and closing the case.

The climax is intense as Pip confronts Mr. Ward, who tries to silence her to keep his secret safe. However, he is arrested and, while he owns up to Sal’s murder, he insists that he didn’t kill Andie. Pip goes through all her gathered evidence again and realizes that a CCTV footage showing Andie was actually her younger sister Becca Bell. As she digs deeper, she discovers Becca was sexually assaulted the same week Andie went missing. When Pip questions Becca, the sister reveals that when she approached Andie to go with her to the police to report the assault, Andie refused to support her and instead asked her to keep quiet because, in a tragic twist of fate, it was Andie who sold the date-rape drug to Becca’s perpetrator. This incident took place right after Andie came home with a head injury. Unaware of the wound, Becca pushed her sister in anger during their discussion, causing Andie to hit her already bleeding head again, leading to her death. Becca then hides Andie’s body and tries to kill Pip, but her attempt is foiled, and she is arrested too.
The truth comes to light, clearing Sal’s name posthumously. The resolution of the story not only brings justice for Andie and Sal but also marks a significant personal growth for Pip. She learns about the darkness people can hide and the importance of seeking the truth, no matter the cost. The book closes with Pip reflecting on the events and the impact they had on her and the community.
Also Read: Mother-Daughter Murder Night Book Review (Audio version below)