****Disclaimer up This is a dark novel, with elements not suitable for all readers, including kidnapping, interrogation, and bondage that extends beyond the reaches of "Dark". Please do not pick this book up and then leave a 1 star review because the level of darkness surprised you. As the author, I needed the audience to understand the length at which Gabriel Hart is willing to go to get what he wants. The story gets so much better if you keep reading, I promise!**** Adeline Heed thought her life was complicated enough. Struggling with the lingering grief of losing her parents and grappling with a future she wasn’t sure she wanted, she was unprepared for the storm that was Gabriel Hart. One fateful encounter transforms her from an independent woman in control of her life to a captive in a deadly game of power, betrayal, and obsession.Gabriel Hart is a man forged in the fire of violence and survival. As the second-in-command of the Loto Rojo cartel, he’s known for his unwavering control and lethal reputation. To the outside world, he’s a monster. To those who dare to know him, he’s a guardian, a man willing to sacrifice everything for those he protects. When Adeline is thrust into his orbit, she becomes more than collateral damage—she becomes his focus, his obsession, his weakness. Their relationship begins on the edge of a knife, fraught with mistrust and danger. Adeline is caught between fear and fascination as she fights to reclaim her independence. But Gabriel’s world doesn’t offer room for freedom—it demands loyalty, submission, and strength. With enemies circling and the stakes rising, Gabriel’s protective instincts clash with his growing need to keep Adeline close, even as his darkness threatens to consume them both. As Adeline is pulled deeper into Gabriel’s world, she uncovers the secrets that define him and the cartel that rules his life. Bound by an undeniable connection, she’s forced to confront not only the man she’s falling for but also the darker parts of herself that Gabriel awakens. She learns that love in his world is not gentle—it’s brutal, consuming, and all-encompassing. But the shadows are closing in. Betrayals mount, old enemies resurface, and Gabriel’s empire teeters on the brink of war. Adeline must decide whether to trust the man who has taken everything from her, or if his protection will be the death of them both. The question isn’t whether she’ll survive Gabriel’s world—it’s whether she’ll survive him. In The Keeper’s Mark, Adeline and Gabriel’s story is a dangerous tango of power and vulnerability, where passion burns brighter than fear, and love comes at the ultimate cost. For readers who crave dark romance with alpha heroes, raw emotion, and gripping tension, this novel is an unflinching dive into a world of shadows, secrets, and obsession. book contains mature themes, including explicit violence, morally complex characters, and dark romance elements such as captivity, dominance, and emotional conflict. It is intended for mature audiences. Reader discretion is strongly advised.