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Spy Undercover Novels & Stories
Here are 100 novels related to spy undercover for you to read online. Generally, spy undercover or similar novel stories can be found in various book genres such as YA/TEEN, Mafia and Mystery/Thriller. Start your reading from Secret Spy in High School at GoodNovel!
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Secret Spy in High School
Like a sneaky spy that she is, she went from the boy’s dormitory and back to hers as she also prepared for tracking down their person of interest.
After some preparation, the two rookie undercover spies headed down to the city to track down their person of interest. And apparently, it was not that hard to track him down, since he announces all of his moves to the social media. “Well, that was not so hard was it?” Albert said while the two of them were walking down the pavement of restaurants and cafes lined up. They walk some more until they are in front of the café that Aaron is in. And there he is, sitting by the window enjoying a cup of ice blended drink as he scrolled through his social
210.0K viewsCompletedAdded to Library 379 Times as spy undercover
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Undercover
“It's no use, we've all tried eavesdropping in the president room at Wright X Corporation and Daniel's home. I don't know what this educated corrupt guy in Europe has learned, we are very familiar with the police's methods of solving crimes, the eavesdropper had been installed for less than two or four hours before it was stolen. He found it and removed it."
"As far as I can see, eight out of ten is that he studied with the mafia."
New and old hatred was boiling in Jenny's heart, she was very attentive to recording the meeting content, the mobile phone in her pocket suddenly vibrated.
"Who?". Taking the phone, Jenny used the volume so as not to interfere with the open-mouthed meeting.
“Honey
6.3K viewsOngoingAdded to Library 183 Times as spy undercover
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Undercover
“I know of your little running with the detective woman. But why her though? Why go after a detective?”
“You have been spying on me? Grand father!”
“Do you think you are invisible? You just keep her on a tight leash and away from Skyline. She is beginning to dig in a little too much and I do not like other people’s nose in my business.” He said with a straight face. For years, Skyline had been under the radar, handling hard drugs and shipping it off into other countries undetected, he really did not need any thing that would bring the police in here and snooping around. He had worked too hard to build all this and he was not about to just sit back and watch it wash down the drain.
97.1K viewsCompletedAdded to Library 254 Times as spy undercover
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His Little Assassin
Since this wasn't a rare occurance to them anyway.
The SPADE unit is an underground unit meant to investigate all crimes that are underground-related, such as big cases that involves terrorism and syndicates. Due to this, their existence was hidden carefully by the PSIA—they're the trump card, a hidden weapon that they do not want to expose—which also meant hiding their existence to the citizens of Vyseni.
Meanwhile, although many people were relieved, the SPADE didn't dare to.
As Archilles finished his evening shower, hot steam crawled out the bathroom door. His left hand was clutching the only towel covering his lower body, while his right hand was busy drying his hair with another bath to
108.1K viewsOngoingAdded to Library 283 Times as spy undercover
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Betrothed To The Mafia kingpin
Anita asked,
"Well, Anita, it's not the kind of agency you might be thinking of. I've joined an undercover agency." Felix explained,
Anita was surprised, "Undercover? Like a secret agent?" she said,
Felix nodded, a proud smile on his face. "Exactly. I've been gathering information on ruthless mafias ever since I got a tip from someone in prison before I was released. I've set up my own secret office and I've been helping the anti narcotics police with their investigations." Felix explained,
86.0K viewsCompletedAdded to Library 169 Times as spy undercover
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In Love With The Dangerous Professor
Celine tossed one in her direction, all the while with her weapon pointed.
“I’ve been working as an undercover officer for two years,” Chen said, his teeth chattering. "Deep undercover in a witness protection corruption case. The suspicion was that someone was peddling information. I posed as the leak to catch the actual mole. But it went wrong. Gregor realized I was laying a trap.”
"Why should we believe this?" Amaya asked.
1.2K viewsOngoingAdded to Library 42 Times as spy undercover
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In Wounded Rhymes [Mafia Games X]
Kyle muttered to hold her attention.
"None of the above." Veronica sighed and drank some juice.
"Man, why would his mom let 'em know? If she's undercover or something, I doubt her family knows what she actually does."
"Undercover?" Veronica chuckled at the idea and even shook her head in disbelief.
"What?" Dan turned to her and shrugged. "Never heard of informants before? Come on..."
"The DEA has a special program for informants. Pays snitches hundreds of millions yearly for espionage and underground intel. Two hundred plus last year." Kyle stared at her, hoping to make her consider the idea.
9.910.2K viewsCompletedAdded to Library 276 Times as spy undercover
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Gifted Shadows
I looked out into the cemetery and turned the heat down.
“So what do you want from me? Government secrets, a snitch,” I inquired.
“Sort of, yes. I understand you are looking to get into the CIA. There is a guy who is, a spook I guess you’d call him, black ops, the best at what he does. He’s also a hacker, and one of the really good guys. If I’m into something and I see something … I kind of leave him breadcrumbs so he can deal with it.
1016.4K viewsCompletedAdded to Library 622 Times as spy undercover
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THE SECRET SPY ( His dangerous past)
Alexa warned and I scoffed.
"Why are you so afraid of him? He's human, isn't he?" I asked.
"Seriously girl, you don't know him, two years earlier. There was a spy in the institur. It didn't even take two weeks before Alex found the spy.." Alexa said.
"So what happened to the spy?" I asked Curiously.
"He was killed by Alex. He was shot on the head.." Alexa explains and Fear gripped me instantly.
"
"He was killed by Alex. He was shot on the head.." Alexa explains and Fear gripped me instantly.
101.9K viewsOngoingAdded to Library 64 Times as spy undercover
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Tricked by the twin alphas
A look of surprise mixed with guilt and a hint of lust.
"Cam, come over here", Spence says
I limp over and he looks at me funny while everyone turns away their eyes, somehow feeling guilty that they made me this way. Having sex with 3 different people is crazy.
Spence points to a place on the map he had circled."We have a rival in case you don't know".Now this is the stuff of storybooks. I almost spoke my mind but Spence looked serious.
"We have an undercover werewolf living among them. He's one of us but we haven't gotten any calls or messages from him for the past week"
2.2K viewsOngoingAdded to Library 81 Times as spy undercover
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Frequently Asked Questions
Ever stumbled into a story that feels like peeling an onion? 'Secret Spy' is exactly that—layers upon layers of intrigue. At its core, it follows a retired intelligence operative dragged back into the shadows when a cryptic message from their past resurfaces. The twist? The sender might be their former partner, presumed dead years ago. The narrative weaves between gritty flashbacks of their old missions and the present-day cat-and-mouse game with a shadowy syndicate called 'Black Lotus.' What hooked me wasn’t just the action (though the rooftop chase in chapter 12 is chef’s kiss), but the emotional toll of trust eroded over time. The protagonist’s struggle to reconcile loyalty with self-preservation gives it a raw, human edge.
And then there’s the tech! The story drops little gems like AI-driven disguises and hacker collectives, but never feels like a gadget catalog. It’s more about how these tools amplify moral dilemmas—like when the spy uses facial recognition to track a target, only to discover it’s their own sibling. The finale leaves threads dangling deliberately, teasing a sequel where the real puppetmaster might be someone far closer to home. I finished the last page and immediately flipped back to reread the first chapter, spotting clues I’d missed. That’s the mark of a thriller done right.
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