Shadow Empires Series by Catalina Voss

She came to destroy him. He's determined to claim her.FBI Agent Isabella Rivera has one infiltrate billionaire Alexei Konstantin's Monaco empire and gather evidence of his money laundering operation. She's prepared for danger, deception, and the kind of criminal who'd kill to protect his secrets.She's not prepared for the way he looks at her like she's already his.Alexei Konstantin built his fortune in the shadows, trusting no one and taking what he wants... moreShe came to destroy him. He's determined to claim her.FBI Agent Isabella Rivera has one infiltrate billionaire Alexei Konstantin's Monaco empire and gather evidence of his money laundering operation. She's prepared for danger, deception, and the kind of criminal who'd kill to protect his secrets.She's not prepared for the way he looks at her like she's already his.Alexei Konstantin built his fortune in the shadows, trusting no one and taking what he wants. When a beautiful federal agent arrives asking the right questions, he knows she's either very good at her job or very dangerous to his survival.Maybe both.What starts as a deadly game of cat and mouse becomes something far more perilous when attraction ignites between natural enemies. Every stolen glance could be surveillance. Every heated touch could be manipulation.But when a betrayal threatens everything Alexei has built, Isabella must choose between the badge she's worn for five years and the impossible man who's captured her heart.Federal duty demands she bring him down. Her heart demands she save him.In Monaco's glittering world of wealth and danger, where billion-dollar empires can crumble overnight and one wrong move means death, can an FBI agent and a criminal mastermind find love—or will their secrets destroy them both?Some lines shouldn't be crossed. Some rules are meant to be broken.And some obsessions are worth risking everything. less

She's the cybersecurity expert who just exposed his most dangerous secrets.He's the billionaire who's been watching her every digital move.When Aria Sterling hacks into the wrong surveillance network, she discovers something that changes everything—Nikolai Konstantin isn't just collecting information. He's protecting people who can't protect themselves.But someone inside his organization is selling those secrets to the highest bidder. And innocent people are dying... moreShe's the cybersecurity expert who just exposed his most dangerous secrets.He's the billionaire who's been watching her every digital move.When Aria Sterling hacks into the wrong surveillance network, she discovers something that changes everything—Nikolai Konstantin isn't just collecting information. He's protecting people who can't protect themselves.But someone inside his organization is selling those secrets to the highest bidder. And innocent people are dying.Now the brilliant hacker who threatened everything Nikolai built has become the only person who can save it. Forced to work together against enemies who want them both dead, Aria and Nikolai must navigate a world where trust is weakness and attraction is dangerous.She demands transparency. He operates in shadows.She fights for digital privacy rights. He uses surveillance to keep vulnerable people alive.She's never needed anyone. He's never trusted anyone enough to let them close.But when government agencies decide their humanitarian mission threatens national security, Aria and Nikolai face an impossible surrender everything they've built, or go to war against forces that have unlimited resources and no moral constraints.International intrigue. Cyber warfare. A love that could save them both—or destroy everything they're fighting to protect.Some secrets are worth dying for. Some people are worth fighting for.When surveillance becomes protection and enemies become lovers, how far will they go to defend what matters most? less

Federal prosecutor Gabrielle Morgan has spent five years building the case that will destroy Viktor Konstantin—billionaire, criminal, and the most dangerous man she's ever hunted.Until she discovers he might be innocent.The evidence points to systematic betrayal by someone Viktor trusted completely. The man she thought was a sophisticated criminal becomes her only ally in exposing corruption that reaches the highest levels of federal law enforcement... moreFederal prosecutor Gabrielle Morgan has spent five years building the case that will destroy Viktor Konstantin—billionaire, criminal, and the most dangerous man she's ever hunted.Until she discovers he might be innocent.The evidence points to systematic betrayal by someone Viktor trusted completely. The man she thought was a sophisticated criminal becomes her only ally in exposing corruption that reaches the highest levels of federal law enforcement. Working together means risking everything she's built. Staying apart means letting real criminals destroy innocent lives.But Viktor Konstantin is guilty of one crime she never making her question everything she believed about justice, loyalty, and the price of choosing truth over safety.He's willing to sacrifice his freedom to protect his family. She's willing to sacrifice her career to expose the truth. Neither expected to sacrifice their carefully guarded hearts to someone whose principles match their intelligence.When federal corruption threatens to destroy them both, Viktor faces an impossible accept immunity and escape consequences, or choose accountability and lose three years of his life. Gabrielle faces her own stand by the man who's shown her what integrity looks like when it requires personal sacrifice, or choose the career advancement that once seemed like everything.Justice has never been more personal. Love has never been more dangerous. Trust has never demanded higher stakes.Can a prosecutor and the billionaire she was hired to destroy build something real when choosing each other means losing everything else? less

Dr. Amelia Westbrook has dedicated her life to healing trauma victims in her exclusive Swiss Alps clinic. She's treated survivors of the worst human cruelty imaginable.She's never treated the man who created that cruelty.When a mysterious patient arrives seeking help for violent nightmares, Amelia discovers he's not just another broken soul. He's Maxim Konstantin—youngest brother of the most feared crime family in the world. A killer who's spent ten years eliminating his family's enemies... moreDr. Amelia Westbrook has dedicated her life to healing trauma victims in her exclusive Swiss Alps clinic. She's treated survivors of the worst human cruelty imaginable.She's never treated the man who created that cruelty.When a mysterious patient arrives seeking help for violent nightmares, Amelia discovers he's not just another broken soul. He's Maxim Konstantin—youngest brother of the most feared crime family in the world. A killer who's spent ten years eliminating his family's enemies.A killer who's kept a list of every life he's taken.Now he's asking her to help him live with the weight of forty-seven deaths. The ethical violation could destroy her career, her reputation, everything she's built. But the tortured man sitting across from her isn't the monster she expected.He's something far more dangerous—a damaged soul seeking genuine redemption.As federal agents close in and his criminal family's enemies hunt for revenge, Amelia must choose between professional safety and the chance to heal someone the world has written off as irredeemable.But loving a killer comes with consequences neither of them anticipated.When Maxim's past collides with their present, when the choice between family loyalty and personal salvation tears him apart, Amelia realizes that saving him might cost her everything.Including her life.Can love truly conquer all? Or are some sins too dark for even the brightest light to overcome? less