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Logic is her life, but love doesn’t follow rules.

Neuroengineer, Freyja Jonsson, has landed her dream job, archiving classified research at a secret lab in Hellisheidi, Iceland. But when the lab is wiped clean and the high risk research vanishes, she finds herself thrust into a deadly game of cat and mouse. With unknown assailants hot on her trail, determined to unlock the secrets held within her encrypted laptop, Freyja is desperate and alone.

Abe Knight, a rugged former SEAL with a killer smile, puts his special talents to good use as an elite operative for Guardsmen Security. His life is just how he likes it—a challenging career, good friends and a carefree bachelor lifestyle.

When Freyja reaches out to Abe for help, he steps in to keep her safe, despite his instincts warning him the headstrong scientist will be nothing but trouble. As he takes on the role of protector, Abe finds himself in the treacherous world of Raptor Industries, a shadowy realm where distinguishing friends from enemies is increasingly difficult.

With ruthless killers closing in on them, the brilliant scientist and fierce operative are forced to go on the run together, racing against time to stay one step ahead of their pursuers. And as the stakes rise and the danger intensifies, so does the electrifying attraction between them.

The clock is ticking. Will they be able to stay alive long enough to bring down the walls around each others hearts?

284 pages, Kindle Edition

Published December 12, 2024

40 people are currently reading
16 people want to read

About the author

Theresa Beachman

25 books44 followers
If you're the kind of reader who loves high-stakes romance grounded in real-world research—with damaged military heroes, complex plots, and women who won't be rescued—hello. You're my people.

I write intense, tightly plotted protector romance with covert ops, real-world threats, and hard-won love. My heroes have protection in their bones and loyalty in their hearts. My heroines are smart, self-reliant, and ready to fight—for others, for justice, for love.

Still mad Ripley never got with Hicks? Me too. So I fix that—with heat and redemption.

Find bonus epilogues and more at theresabeachman dot com.

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5 stars
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Displaying 1 - 20 of 20 reviews
Profile Image for Jenni.
6,469 reviews79 followers
December 11, 2025
4 stars

Abe, part of a protection company, and will do nothing to stop the evil that is causing harm to others. Abe finds himself trying to protect a woman who wants to bury the secrets that could destroy them all if it gets out, and trying to keep her alive to tell the truth when this beautiful woman ends up more than just a case.

The Knight is the fourth book by Theresa Beachman in the Guardsmen Security series. The Operative is charged with tension as they navigate this as bodyguards under fire. Along this journey, we encounter a diverse cast of characters, including resilient women who exude strength and empathy, showcasing their remarkable tenacity in the face of adversity. Alpha males, each of them, balance their bravery with deep emotional struggles, and headstrong women who prove to be their undoing.
Profile Image for Toni.
2,379 reviews24 followers
December 13, 2024
DR. FREYA JONSDOTTIR is just finishing months of work on cataloguing and archive dangerous tech. It's now ready to be sent to a a top-secret storage facility. She stays later to do some more checking when she's disturbed by a sound of feet. Then in come men dressed in black. They call her by name and ask for the laptop which has the info stored on it. She fights back holding onto the laptop. She is ok but a little worse for wear. The next day as she's checking her lab she finds her boss has hired new security. She is so not happy.
Knight and his friends are meeting with the company that hired them. He is intrigued because he heard a lot the night before at a security job he and the team were doing. Now he can meet the woman that was talked about. The next day after meeting her and getting their information needed for the job he finds himself semi attracted to her. She is an puzzle. What would she be like if she loosened up? Eh what?
So he and his partner are with her in the lab when an alarm sounds. Fox goes to investigate while Knight stays with her. Then someone comes in after sending in a stun bomb. The intruder gets away with the laptop. Freya is after him in a blink. After chasing her chasing the thief he gets her to understand she is his main mission. She gets him to understand that the priority is the laptop. Now they have to play nice while searching for the laptop. Well that may be a tad difficult. She is drawn to him and he is drawn to her. How well will that go?
A fascinating and heart stopping adventure!!.

I received a free copy of this book via Booksprout and am voluntarily leaving a review.
2,705 reviews33 followers
November 27, 2024
Wow just Wow! A Brilliant read I was so impressed.

This was about Freya who was in charge of a briefcase of highly classified information that gets stolen, and Abe the Guardsman agent assigned to protect her.

The action was first class, along with the elements of suspense and ever present danger. Abe was a no nonsense protector looking after a stubborn scientist who was forever questioning him. But the romance turned special and they got to know each other over time.

So well done. The plot was intricate and fast paced and I loved Abe's team. Fox, Zak, Leo and Abbie to name a few. All really special and Theresa creates a story I didn't want to end.

Brilliant read and highly recommended!!
Profile Image for Heather.
596 reviews11 followers
December 12, 2024
Theresa Beachman has written another fantastic book. “The Knight” is another exciting, pulse-pounding, action-packed romantic adventure in her Guardsmen Security series. This story features Abe and Freya, an unlikely pair who have both sworn off love and relationships for painful reasons. But when the two of them meet the chemistry is undeniable. And soon, as they race for their lives trying to avoid the men attempting to abduct Freya, they find that there might be more between them than they can deny. These two were a great pair. And the locations felt like characters, too, the way they were so richly described. Beachman isn’t just able to craft a thrilling and romantic suspense, she also has a wonderful way with words that seems almost lyrical at times. I definitely recommend this one!
11.6k reviews49 followers
December 24, 2024
Fire and Ice...but they only get hotter

The Knight is the fifth book in the Guardsmen Security series. This is a fantastic book with an action packed story that also includes an adventure, romance, sexy hot chemistry and thrilling love. The story is about Freya Jonsdottir and Abe Knight. She is a smart as heck neuroengineer who has been newly hired at a lab in Hellisheidi, Iceland. He is an ex-Navy SEAL who is part of the Guardsmen Security. They meet when he is assigned to be her bodyguard after her life is in danger when her laptop is stolen with top-secret research that dangerous people want access to. These two are like fire and ice, only when they get together they just get hotter.
459 reviews
December 10, 2024
Someone to look after you. An action packed story that presents as something else. Starting off with a simple document transfer and morphing into an Icelandic adventure. The characters are well described with a slight mystery attached. The action is intense making this a hard book to put down. “Adrenaline had something to do with that.” The tale is easy to follow but there are some loose ends not completely closed up. Even though this is part of a series it is a very exciting book on its own merits.
Profile Image for Judy.
2,016 reviews13 followers
December 11, 2024
This is number 5 in the Guardmen Security series. I was intrigued from the beginning. Dr. Freya is a scientist and is tasked with cataloging/archiving a dangerous weapon. Abe and his team are sent to guard her when things go south. Things really get harry a few times . I totally love her friend Astra because she is like know one you've ever met before. So worth reading again and again.

I received a free copy of this book via Booksprout and am voluntarily leaving a review.
6,140 reviews17 followers
December 13, 2024
WOW! What an adventure and thrilling ride. This is the fifth story in the "Guardsmen Security" series. This is another fast paced story that is action packed with danger and suspense. The story is nicely developed and very intriguing. I loved every bit of the story from the beginning until the very end. The characters, Abe and Freya, are strong with strong chemistry. This story is incredible and no stop!
Profile Image for Cynthia Khan.
2,759 reviews9 followers
December 5, 2024
Book 5 of Guardsmen Security story for Neuroengineer Freya Jonsdottir and former SEAL Abe Knight. Wow I thought this action filled wonderful adventures love story will have you turning the pages faster and keep you guessing.

I received a free copy of this book via Booksprout and am voluntarily leaving a review.
Profile Image for Charmaine Nouwen.
5,468 reviews23 followers
December 13, 2024
The Knight: a romantic suspense story of Abe and Freya..Book 5 of Guardsmen Security..a rugged former SEAL and a smart,headstrong Neuroengineer he needs to protect..A fast paced,intense,engaging,with steam,action,angst and romance..

I received a free copy of this book via Booksprout and am voluntarily leaving a review.
Profile Image for Melinda Swaine.
2,425 reviews12 followers
December 13, 2024
She knocked this one out of the park!!!!

I have been waiting anxiously for The Knight to be released because I couldn't wait to read Abe’s and Freya story. My oh my – it was so worth the wait! She knocked this one out of the park. Just Wow…definitely a must read. I absolutely loved it. Happy reading
994 reviews3 followers
December 13, 2024
Oh I liked this book a lot! Freyja was a scientist with very sensitive information. When her life was in danger, new security was called for. Enter Abe who notices Freyja as a woman and not just a scientist. Danger, suspense and intrigue all make this a fab read.

I received a free copy of this book via Booksprout and am voluntarily leaving a review.
1,201 reviews
December 18, 2024
This is an entertaining suspenseful, military romance book that holds your attention from beginning to end. The storyline is intriguing and dramatic as the elements unfold. The characters are well written with steamy chemistry together. I enjoyed this book.

I received a free copy of this book via Booksprout and am voluntarily leaving a review.
2,015 reviews6 followers
December 18, 2024
The Knight book 5 of the Guardsmen Security series by Theresa Beachman is another fantastic book! This is Freya and Abe's story and is another exciting, action-packed romantic adventure in her Guardsmen Security series. This story was definitely worth the wait!!.

I received a free copy of this book via Booksprout and am voluntarily leaving a review.
Profile Image for Lisa.
2,096 reviews23 followers
January 11, 2025
There is a lot going on in Freya's story. I am on the edge of my seat from the first few pages. I love Knight. I like Freya a lot. The team is great as back story and side characters. The writing is easy to follow. The action is exciting.

I received a free copy of this book via Booksprout and am voluntarily leaving a review.
Profile Image for BecReadReview.
1,902 reviews35 followers
December 4, 2024
This fast pace romantic suspense definitely was exciting. Lots of action and sass to carry you through. Loved the emotions and the camaraderie within the team. Absolutely enjoyable & looking forward to the next.

Profile Image for Sandra Bullard.
6 reviews
December 11, 2024
This was an excellent mixture of action, adventure and romance. I liked both the hero and heroine and truly enjoyed reading it from beginning to end.

I received a free copy of this book via Booksprout and am voluntarily leaving a review.
378 reviews3 followers
December 15, 2024
One totally focused-on-the-numbers scientist and one seal protector. Two different people colliding and fighting for life against a callous enemy.
A huge threat against humanity. A totally engrossing read.
Profile Image for Anne (Izzie).
381 reviews1 follower
December 15, 2024
A fast paced read which will keep your attention from first to last page. Scientist Freya needs security and Abe and his team are sent to guard her. Their chemistry is incredible, this is a must read book.
I received a free copy of this book via Booksprout and am voluntarily leaving a review.
Profile Image for Deb Compton.
275 reviews2 followers
May 1, 2025
excellent!!

WOW, never a dull moment… great characters, loved the storyline. High intensity, great Segway to the next story. I hope you enjoy it as much as I did!!!
Displaying 1 - 20 of 20 reviews

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