Protocol: Deceive: An Espionage Romance (The Garrison Protocols #2)

Sloane Mercer


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[?] · 0 ratings · 317 pages · Published: 17 Jan 2026
He is the world’s best liar. She is the only woman he can’t fool.
Now, they have to convince the world they’re madly in love... or die trying.

Roman Vance is the "Face" of Garrison Security. Charming, lethal, and slicker than a polished bullet, he can infiltrate any room and seduce any target. To the world, he’s the life of the party. In reality, he’s a man who hasn't felt a genuine emotion in years—until
she walks back into his life.

Isla Thorne is an investigative journalist with a sharp tongue and a zero-tolerance policy for BS. She’s spent the last year trying to expose Garrison Security’s off-book operations, and she knows Roman is nothing but a pretty mask hiding a dangerous secret. She despises him. He infuriates her.

But when a high-stakes intelligence operation in Chicago’s elite Gold Coast goes sideways, the only way to infiltrate the inner circle is a lie so big, only Roman could sell it.

The Protocol: A fake engagement.
The Mission: Take down an international arms dealer at the season’s most exclusive gala.
The Problem: The chemistry between them is volatile enough to blow their cover.

Forced into a luxury penthouse and tasked with playing the role of doting lovers, the lines begin to blur. Public displays of affection turn into possessive touches. Staged kisses in the ballroom turn into desperate, scorching nights in the safe house.

Roman is used to wearing masks, but Isla is stripping him bare. As the target on their backs grows larger, Roman realizes the most dangerous part of this mission isn’t the enemy closing in.

It’s the terrifying possibility that for the first time in his life, he isn’t acting.

Protocol: Deceive is a high-octane, banter-heavy romantic suspense novel. If you like Mr. & Mrs. Smith vibes, enemies-to-lovers tension, and heroes who are lethally competent and utterly obsessed, this book is for you. Book 2 in The Garrison Protocols, but can be read as a standalone.

Tropes you’ll love:
Fake Engagement
Enemies-to-Lovers
"Touch Her and Die"
Forced Proximity (One Bed!)
Competence Kink
High Heat & Banter

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