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Readers Guide for One Dark Night

07.29.2025 by Jen Ryland // Leave a Comment

My Readers Guide for One Dark Night will have Jen’s Quick Take and Spoilers for the ending. I really enjoyed this Halloween themed story of a costume party gone tragically wrong. Let’s discuss it and see if it could be right for you!

Cover for One Dark Night shows a shadowy figure against trees

Readers Guide for One Dark Night by Hannah Richell

Jen’s Quick Take on One Dark Night

One Dark Night by Hannah Richell on a shelf next to other black books and a gold clock
  • I really enjoyed The Search Party so I was excited to try this new title by Hannah Richell
  • Like The Search Party, One Dark Night had a multi-generational cast of characters
  • It’s a procedural but told from multiple points of view
  • The murder in the story is based around the students at Folly View College and takes place on Halloween.
  • But there are plenty of adult characters as well and this doesn’t feel like a teen book
  • What’s a “folly?” It’s a name for small building that appears to have no practical purpose. In this book, it’s a tower with a spiral staircase and a platform at the top. The Folly in the book is inspired by Browne’s Folly, described here on the website of the Bradford and Avon museum.
  • Publication date: August 19, 2025 by Atria Books

Spoilers for The Ending of One Dark Night

Who killed Sarah Lawson on Halloween?

Browne's Folly by DM Wilmot. By permission of Wikimedia Commons.
Browne’s Folly by DM Wilmot

Her cousin Olivia Easton.

Olivia had been thrilled when handsome, motorcycle-riding art teacher Edward Morgan asked her to model for him.

But then Olivia’s cousin Sarah decided to catfish her as a prank. Sarah, pretending to be Edward, sent texts to Olivia suggesting that Edward was madly in love with her, and that she was his muse.

When Olivia discovered what Sarah did, she and Sarah fought on the top of the folly after the Halloween party. Olivia pushed Sarah, who fell to the ground. Olivia then panicked and left.

After that, Jamie McIvor, the man who killed Ben’s sister when he was driving impaired, came across Olivia’s body. Jamie had mental health issues and had been living rough in a cave. He moved the body, combed Sarah’s hair, and painted words on her body.


What Happened at the End of One Dark Night?

Photo of a hand holding a cell phone with the Instagram app open.

Olivia also sent threatening messages to Ellie, who had fought with Olivia the night Sarah died about the fact that Ellie was protesting Olivia’s father’s new development.

At the end of the book, Edward takes Ellie to the folly. Olivia sees them leave on Edwards’s motorcycle, is jealous, and tells Ellie’s mother Rachel.

Rachel and Olivia rush to the folly. Olivia pushes Edward, who falls to the ground.

Olivia is distraught that she might have killed Edward and she steps off the folly platform, but Ben is able to rescue her. Edward has severe injuries but survives.

Questions? Comments? Think I Missed Something or Got Something Wrong? Leave a comment and I will answer it!

Categories // Reviews Tags // adult fiction, mystery, new books, spoiler discussion

About Jen Ryland

Over 12 years of book blogging and reviewing, I have read over 1500 books. A fair and honest reviewer who loves book discussions, I'm here to help you find a book you'll love to read AND give you a place to talk about it and ask questions.
Find me on Instagram and Pinterest as @jenryland!

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Since 2011, I have been guiding avid readers toward books they will love and offering a friendly place to discuss them. I publish honest reviews that will help you decide if a book is right for you! Let's talk books! See my full bio!

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