What Are Popular Fan Theories About The Duplicity Book?

Five years ago, Alessia La Rosa's life took a drastic turn when, suffering from memory loss, she wed to Dominic Carter under her grandfather's mysterious arrangement. But their marriage was a facade, bringing her only humiliation and heartache as Dominic showed no love, and she couldn't conceive. Upon discovering Dominic's infidelity, Alessia sought liberation through divorce. Yet, fate had more in store for her. Five years later, spurred by an anonymous email hinting at her lost child's whereabouts, she returns to the city with her twin babies in tow, determined to uncover the truth. As she navigates the tangled web of her past, a surprising twist awaits. Dominic, upon meeting her again, finds himself drawn to the woman she has become, unaware of her true identity as his former wife. Little does he know, the woman he's falling for is not only his ex-wife but also a powerful Doctor and Master Hacker.

Emma Lawson believed she knew everything about her husband. For seven years, she stood by Daniel Hart's side through every success and setback. She trusted him completely, built a life with him, and dreamed of starting a family together. Then one ordinary evening changes everything. A simple phone notification leads Emma down a path she never expected to follow. What begins as a harmless suspicion quickly turns into a nightmare when she discovers that Daniel has been living a second life—one filled with secrets, lies, and people she has never met. Another home. Another identity. And a young girl who calls him "Dad." Heartbroken and desperate for answers, Emma starts digging deeper. But the more she uncovers, the more dangerous the truth becomes. Because Daniel's secrets go far beyond infidelity. Someone is willing to kill to keep the past buried. As Emma fights to uncover the truth, she finds herself caught in a web of deception, betrayal, and hidden enemies. And when a mysterious stranger enters her life offering protection, she must decide who she can trust before it's too late. Was her marriage built on love? Or was she merely a part of a carefully crafted lie?

Elena Sinclair was sixteen when her billionaire father was murdered by his own brothers, who then tried to kill her to claim his empire. Smuggled to safety and declared dead in a staged accident, she vanished into a new life as a struggling bartender—until one reckless, drunken night, on the evening she had turned 20, erased everything she’d fought to forget. She woke in the bed of Alexander Grey, the ruthless CEO of Grey enterprise and the city’s most powerful man. Panicked, she fled before he could see her face, leaving only a single trace of her innocence behind. Five years later, Elena is raising their secret twins alone when fate forces her back into Alexander's world. Hired as his personal assistant, she must hide her identity, her children, and the truth of that unforgettable night. But Alex is no longer the stranger she escaped; he’s obsessed with the mysterious woman who vanished from his bed, and the closer he gets, the more the pieces of her past begin to unravel. As old enemies resurface to finish what they started, Elena's carefully guarded life explodes. With billion-dollar empires and two innocent heirs caught in the crossfire, she must decide whether to keep running—or trust the one man who could destroy her… or finally set her free.

Five years ago, Janice Soto stepped into her dying twin sister’s life to keep Eden Duncan from falling apart. Pretending to be the woman he loved was supposed to be temporary, a final promise made in a hospital room filled with goodbye and grief. But somewhere between borrowed kisses, late-night silences, and the life they built together, Eden fell for the wrong sister without ever knowing the truth. When the deception finally shattered, it didn’t just destroy them, it nearly killed him. And before Eden could wake up and face what she had done, Janice disappeared carrying the one secret that belonged to both of them. Now she is back in New York, stronger, colder, and no longer willing to lose herself for anyone again. But Eden hasn’t forgotten the woman who betrayed him, and he definitely hasn’t forgiven her. Then he meets a quiet five-year-old boy with his eyes, his heartbeat, and a smile that feels painfully familiar. Because the truth isn’t just a lie from the past anymore. It’s a child standing right in front of him.

“Just who is the woman behind that mask?” It’s no lie that Evangeline Laendler is one of the best con artists around. The trail of devastated moneybags who are both heartbroken and near bankruptcy because of her is enough proof. It’s all owed to her impeccable skills of switching through disguises and emanating the characteristics that her targets want to see. But this was not the life she and her dear brother had wanted for Evangeline. So when a high-priced opportunity to retire early suddenly comes, Evangeline accepts it. It was easy anyway. Seduce the billionaire heir, sway him to do terrible things so he doesn’t inherit the company, break his heart, then leave. Easy. It’s not like there was more to this guy’s story, right? What was unknown to her was just how messy and tangled this new job was, revealing secrets that even she never knew about her life. In any case, she will keep fighting to keep the facade on. Although this time, someone might just be able to unveil the real Evangeline hiding underneath.

Years ago, ruthless mafia heir luciano De Rossi fell for a mysterious woman with a wicked smile—and lost everything. She betrayed him, vanishing with secrets that could destroy his empire. Now, she’s back. Or so he thinks. When Luca crosses paths with innocent and headstrong Eva Moretti, he's convinced she’s the same con artist who once played him. He draws her into his dangerous world, determined to get revenge. But Eva isn’t the woman he remembers—she’s her twin. And while she’s caught in his web of deception, he finds himself tangled in emotions he vowed never to feel again. As passion ignites and the past claws its way into the present, Luca must decide what’s more dangerous: the enemy who broke him… or the twin who might heal him.