🎧 Reviewed by LD | Rating: 4.9/5 | Steam: 🔥 | Standalone
⚠️ This is a full spoiler review. If you haven’t read The Intruder yet — go read it first. We’ll be here when you’re done.
The Opening
I went into this one not totally sure what I was getting into, and honestly? That made it so much better. The Intruder is dark. Like, genuinely dark. We’re talking a twelve-year-old showing up covered in blood, a grown woman who may or may not be about to commit a murder, and a dual timeline that slowly reveals exactly how connected these two stories really are. And I loved every single second of it. This is not a romance. There is zero steam. What this is, is a thriller that earns its twists — and there are several — and a story about two women who both survived something terrible and ended up tangled together in ways neither of them could have predicted. 4.9 out of 5. That’s how good this was.
The Full Story — Spoilers Included
The Face in the Window
Casey is renting a cabin in the middle of nowhere in New Hampshire. Seven months since she lost her teaching job, and she’s made peace with the quiet. But there’s a storm rolling in, the roof is threatening to blow off, and her landlord Rudy has zero interest in fixing anything before it hits. So Casey is putting out candles when she sees a pale face staring back at her through the window from outside. And then it’s gone.
Her nearest neighbor Lee comes by, offering to let her ride out the storm at his place. She had a bad gut feeling about him and said no. I respect that instinct so much.
She stares out and watches her shed door close. Then, later — light. Coming from the shed. Casey doesn’t have a light in the shed. She grabs her gun. She heads outside. The storm has already come, the wind is strong. The shed door rips off its hinges. She turns on her flashlight and finds a little lump in the corner that was not there before. It’s a girl, about twelve, covered in blood and clutching a knife. Casey spends a solid chunk of time convincing this kid to come inside. The magic word? Cookies.
The Girl in the Shed
Casey sees the name on the knife: Eleanor. She calls her that; the girl doesn’t correct her. She says she’s leaving in the morning. She refuses to answer basically any of Casey’s questions — who are you, where did you come from, whose blood is that — nothing. Silence or deflection. Casey is trying everything and getting nowhere.
It ends up being a wild night, full of events and lots of fear for Casey. But not before Casey finds a hand-drawn map on the floor. And not before Casey notices something very wrong with Eleanor’s backpack.
Young Ella — The Other Timeline
Running alongside the present-day story is a second timeline: flashbacks to a girl named Ella, growing up in a nightmare of her own. Her mother is a hoarder. They have mountains of food, but none of it is edible. The washing machine broke and mom won’t fix it, so Ella gets called smelly at school. She can’t borrow library books because she’s lost too many in the mess. Her mom constantly dumps things in her room. And every time her mom goes on a date, she locks Ella in a closet — afraid she might throw something out while she’s gone.
She gets caught stealing a classmate’s lunch. Because she is hungry. More than once. That kind of detail just sits in your chest.
She gets paired on a school project with a boy named Anton who is awful to her — mocking, cruel — but then one day she sees him getting jumped and another kid goes for a knife. Instead of screaming for help, Ella grabs a rock and bashes the kid over the head. Anton is stunned. Something shifts. (The boy does live.)
He ends up at her house. He sees the state of it. He lights one of her mom’s cigarettes, and the mom comes home early, and when Ella takes the blame, her mom takes the lit cigarette and burns it into Ella’s arm. Right there.
Anton sees the scar a few days later and silently decides to quit smoking. And later, joking around, he locks his little brother in a closet, and Ella completely loses it. Screaming. Hitting him. Demanding he open the door right now. So he teaches her to pick locks from the inside. So she can always get out.
Hold onto that. It matters.
Ella eventually finds her birth certificate in her mom’s forbidden closet and sees the father’s name: John Carter. She connects it to a classmate named Brittany Carter and sneaks to the Carter house in the middle of the night to take a look around, but she’s thwarted by a dog.
The next day she goes to the university where Professor John Carter works. It goes badly — he’s not interested, tells her to leave his family alone. But when he takes her home and sees the state of the house, her mom confirms: there is a John Carter on the certificate, just a different one. Ella’s actual father went to prison when she was two months old. Bar fight.
The Notebook
Back to present day. Casey notices blood seeping from Eleanor’s backpack. When Eleanor goes to the bathroom, Casey goes through it — more clothes, all soaked through, a washcloth completely drenched in blood. And then there’s a notebook.
Starts out looking like a math notebook. Keep going and it becomes something else — drawing after drawing of a woman being tortured. Casey decides this is a picture of herself. That this child is in her home planning to hurt her. She panics. Then she remembers she put her gun back in the bedroom where Eleanor was sleeping.
She sneaks in. Fumbles through the drawer. No gun. Eleanor sits up in the dark holding it.
There’s also this incredibly creepy scene where Eleanor asks Casey to tell her a story, and Casey does, and then Eleanor tells one back — about a woman named Cassie who found a girl in her shed, let her in, and woke up to that girl cutting off her arms and legs and burning the house down. And Eleanor says, “see. That’s how scary this is. You let me in.” Casey is unraveling at this point. I was right there with her.
The Map Was Wrong
A tree falls and crushes the shed — right where Eleanor was hiding the night before. Eleanor realizes Casey saved her life. She still makes Casey get the duct tape. Ties her to a chair: wrists, ankles, chest. “This isn’t personal.” Then she’s gone in the bedroom for two hours. Eventually she comes back and mostly frees Casey. Then she leaves.
When Casey gets free, she looks at the notebook again. More carefully. And the woman in those drawings doesn’t look like her at all — different nose, different eyes, a beauty mark Casey doesn’t have. She finds a page she missed before and realizes she had it completely wrong.
Then she looks at the map. The one she assumed led to her cabin. It doesn’t. It points to Lee’s cabin next door. Eleanor didn’t come for Casey at all. She came for Lee.
Casey deduces that Eleanor thinks Lee is her father — the man who abandoned her and left her with whatever monster she was living with. She runs to Lee’s cabin.
Lee’s Cabin
Casey gets through an open window. Eleanor is already inside and Lee is still asleep.
Casey and Eleanor argue and then Lee walks out of his room. Eleanor tells Lee he’s her father. Lee says he has no idea who she is. She tells him: Eleanor Kettering. Nell. Her mother is Jolene. He says he knew Jolene, she asked him for money, but they never slept together. Jolene was dating his brother. His brother must be her father.
Nell asks where he is. Lee says his brother has been dead a very long time — died twelve years ago in a car accident. His brother had told him Jolene was pregnant, but he thought she’d lost the baby.
Nell falls to her knees sobbing. And then tells them she thinks her mother might be dead — her mom got into a fight with her boyfriend, the boyfriend pulled a switchblade, stabbed her, then blamed Nell for it. That’s the blood. That’s why she ran.
Casey Goes to Jolene
Casey was supposed to go to the police with this information. She goes to Jolene’s house instead. There’s a boyfriend who needs to be dealt with.
This is also where we learn why she lost her teaching job. She spotted signs of abuse on one of her students, refused to hand the girl over to her abusive father, and went after his car with a baseball bat. Fired on the spot. And then realized she still hadn’t actually helped the kid — the girl was still with her parents. That failure has been following her ever since. So she plans to change how she deals with this.
When Casey walks in, Jolene is still alive. She’s been screaming her head off since yesterday and is incredibly rude to Casey, thinking she’s a paramedic. Casey gives Jolene one chance to show she’s at least a decent mother. Jolene admits she has a daughter. “Rotten to the core. Bad kid. Good riddance.”
Casey ends up torturing, then killing Jolene. She calls from a payphone and reports it anonymously on her way back to Lee’s.
The Twist That Got Me — And Then Another One
The first twist is already threaded through the flashbacks, but it lands hard when it finally clicks: when the police ask Ella her name after the fire, she says “Elizabeth Ella Casey.” Casey is Ella. The adult version. She burned her own mother’s house down as a teenager — piled papers on the stairs, stacked tons of stuff in the way so her mother couldn’t get out, lit the papers with her mother’s cigarette, and walked out. She got out because Anton had taught her to pick locks, and her mother had locked her in the closet that night — she saw it as her only chance to get out and never go back again. Her dad took her in after. Even though her mother had painted him as terrible, he turned out to be a good guy. She eventually confessed to her dad about what she did. He told her good job.
Gut punch. And yet it makes complete, heartbreaking sense.
Six months later. Casey is playing cards with Nell. Lee took Nell in because he was her closest family. They’ve built something, the three of them. Nell has a photo tucked into her notebook like a bookmark — her dad at her age. Casey notices it and asks to see it. Then her heart drops. The photo is of Anton.
Lee’s older brother — who supposedly died twelve years ago — is Anton. The same Anton who was cruel to young Ella at school but then became her best friend. The same one who quit smoking because of her scar. The same one who taught her to pick locks and saved her life without ever knowing it.
The second twist: he is not dead. He’s in prison for first-degree murder. After his father beat the hell out of Lee, Anton tracked down his abusive drunk father at a bar and beat him to death. He told Lee to tell everyone he was dead because he didn’t want anyone knowing he was rotting in a cell for the rest of his life. He figured he was as good as dead.
Lee had originally gone out to Casey’s cabin, and rented the closest one to hers, because Anton had asked him to look out for Casey — his first crush. Lee went. And then Lee fell for her himself. Which is why he hasn’t kissed her yet — he wants to ask his brother’s permission first. He goes to the prison on a Friday, plans to ask Anton if it would be okay. He chickens out and doesn’t ask.
I cannot.
The Steam Rating Breakdown
🔥 / 5 — There is no steam in this book. Not even close. This is a thriller through and through. There are feelings developing between Casey and Lee by the end, but nothing physical happens — not so much as a kiss. If you’re coming for heat, this is not your book. If you’re coming for twists and tension and a story that gets under your skin, you are in exactly the right place.
The Ending — Satisfied or Disappointed?
Satisfied. Really, genuinely satisfied. The six-months-later wrap-up is warm in the best possible way after everything these characters went through. Nell has a home. Lee has people. Casey has a reason to stay. The Lee/Casey thread is unresolved in a way that feels earned — not frustrating, just real. Not every story ties a bow on the romance and this one is better for it. The twists all paid off. Nothing felt cheap.
Would I Reread It?
No — and that’s not a criticism, it’s just the nature of a thriller this twist-dependent. So much of what makes The Intruder work is not knowing. Once you know, the experience changes. I’d absolutely recommend it, I just wouldn’t start it over.
Who Is This For
Thriller readers who love dual timelines and don’t need a safety net. If you can handle dark subject matter — abuse, neglect, violence — and you love books where you’re constantly revising your read on everyone, this is for you. Fans of morally complicated protagonists who do terrible things for reasons you completely understand will feel right at home. This is not cozy. This is not light. But it is very good.
Where to Get This Book
📖 Physical Book
Amazon US | Amazon CA | Bookshop.org
🎧 Audiobook
Audible US | Audible CA | Libro.fm
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Plot Twisted. 🔥
🎧 | Standalone | Genre: Thriller | Steam: 🔥
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