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Review of The Vacancy in Room 10 with Spoilers

03.19.2024 by Jen Ryland // 2 Comments

I love when a book starts off with some mild suspense and then – bam! – suddenly kicks into high gear and straight into thriller territory. My Review of The Vacancy in Room 10 with Spoilers (protected) explains why I think this book is a Great Slow Burn Thriller.


Jen’s Quick Take on The Vacancy in Room 10

REview of The Vacancy in Room 10 with spoilers. Original photo of The Vacancy in Room 10 on a bookshelf next to other brightly colored thrillers.
  • Dual narration by two women whose paths intersect at a rundown motel
  • Slow suspense set-up for the first 40%
  • Kicks into high-stakes thriller territory after that point
  • Clever connections between the storylines
  • Two reveals, one of which I guessed!
  • Great pick for readers who can be patient for a good payoff

The Vacancy in Room 10 by Seraphina Nova Glass

To be published on April 9 2024 by Grayson House. Thanks to the publisher for providing an advance review copy.

I put The Vacancy in Room 10 on my List of Most Anticipated Mysteries and Thrillers of 2024. I also really enjoyed the author’s two prior books, On a Quiet Street, which I added to my list of Neighborhood Thrillers, and The Vanishing Hour.


Jen’s Review of The Vacancy in Room 10

The Vacancy in Room 10 is a dual narration book, with the story told alternately by Anna and Cass.

Anna’s husband called her and told her he did something terrible. Then the police found his body washed up on the banks of the Rio Grande. 

Desperate for answers, Anna moves into The Sycamores, the seedy motel turned apartment complex where Henry rented a room as his art studio. She’s side-eyeing and questioning all the residents, trying to figure out what Henry was involved in before his death.

Cass, the other narrator, was once a trophy girlfriend living a life of ease. Then she got unceremoniously dumped and replaced by a younger woman. Now Cass has stooped to minor blackmail schemes in-between plunging toilets at the Sycamores, where she works as the resident manager. She’s incredibly bitter about the life she lost, and feels like she might do anything to get it back.

For a good 40%, The Vacancy in Room 10 carefully sets the scene at the Sycamores, alternating between Anna’s investigating her husband and Cass obsessively Instagram-stalking her ex and his new girlfriend.

At this point I was messaging the person I was buddy reading with, saying the book was a little slow. (She did not agree.)

Suddenly, WHOA! The story kicked into high gear

Henry’s secrets started to unravel and Cass’s anger got her way over her head into BIG danger.

Suddenly, I’m reading a thriller! Let’s go!! At that point I was obsessed. I had my theories about what was happening and how everything was connected.

What I also liked about The Vacancy in Room 10 was that it’s a book with a lot of suspense but also a great sense of humanity and fun. There’s a hilarious scene when the “pool girls” who socialize around the Sycamore swimming pool convince Cass to take them to a fancy gala, where Cass runs into her ex and makes a huge commotion.

I really enjoyed The Vacancy in Room 10 and hope that if you try it, you’ll let me know what you think!


SPOILERS BELOW! To protect readers who HATE being spoiled you will need to click on the blue “Show Me” box below and log in with a Grow account, Facebook, or Google. By doing so, you will be added to my email list and receive weekly updates about new books! For more information on why I protect my spoilers, please read this post! If you are having any issues check this tutorial OR leave a comment below as I want to help!


Spoilers for the Ending of the Vacancy in Room 10

Things really kicked off when one of Cass’s blackmail schemes goes south. She has filmed Eddie, a tenant, physically abusing his wife, Rosa. Eddie tries to strangle Cass, she stabs him with scissors, and he ends up dead.

Cass gets fellow tenant Callum to help her dispose of the body. But then (and I HATE anonymous notes usually) she receives a very detailed anonymous note warning her that the place they disposed of the bodies is about to be developed. Cass moves Eddie’s body, dumping it down a well.

Meanwhile, Anna gets some shocking news, times two. The police tell her Henry was murdered. She also discovers that her late husband, Henry, was in love with another woman. She becomes obsessed with figuring out who it is.

The Twists in The Vacancy in Room 10

First off, the person Henry was in love with was none other than Lily, the late wife of Callum, who lost her life to cancer.

Then, the person leaving the notes was none other than Rosa, who wasn’t that upset that Eddie is out of her life. And had put GPS tracker on Cass’s car.

Henry left a video saying that Callum gave Lily a drug overdose to get her life insurance money. Henry intended to go to the police, but Callum got to him first.

Callum kidnaps Anna, but Rosa and Cass are able to save her. Callum escapes.

Rosa and Cass then frame Callum for Eddie’s murder. Rosa and Cass stay at the Sycamores, while Anna goes to Ibiza (random!) and writes up the whole story.


Edited to add: BookThief in comments points out that Anna mentions that she and Henry discussed moving to Costa Rica or Ibiza. On the missing video that Cass shows Anna, he says that if she’d found out about the affair, she’d have told him to stay with his mistress and then she’d have run off to Ibiza. I forgot that and missed it!

Did you read this? Do you have questions? Talk to me in comments and spoilers are fine!

Categories // Reviews Tags // new books, thriller

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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2 Comments
BookThief39
7 months ago

I don’t think Anna moving to Ibiza is random. The book sets up very clearly that she and Henry talked about moving to exotic places often, and that she even thought about it after selling the house. Other than that, I agree with your review. Good book, 4/5.

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Jen Ryland
7 months ago
Reply to  BookThief39

You are completely right; they did talk about it and she mentions it at least two or three times. Thanks for the correction!

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