Is Unexpected Wife Based On A Billionaire Romance Novel?

"Alistair's condition changes nothing. Whether he wakes or not, this marriage will proceed. If there's no progress, we'll proceed with IVF. Your only duty is to provide an heir." Wait—what? Alistair Montgomery? The ruthless billionaire who once loved my sister? Dr. Isla Bennett was an exceptional woman, but she always lived in her twin sister's shadow—unseen, unloved, and unwanted. When her family's empire collapses, she's been forced into a cold-blooded arrangement: marry Alistair Montgomery, a ruthless billionaire trapped in a coma. Everyone expects her to be nothing more than a contracted wife. Until—Alistair wakes up, and everything shatters. Her sister returns to claim him, secrets resurface, and Isla is thrust into a dangerous web of love, lies, and vengeance. But they completely underestimated the man standing by her side. Once Alistair claims his wife, he will crush anyone who threatens her peace. Yet, just as Isla falls for the man who was never meant to be hers, the ultimate truth emerges: Isla isn't a real Bennett. She’s the daughter of the woman accused of murdering Alistair's mother. Bound by a cold contract, they found a dangerous love. But can it survive a truth meant to destroy them?

Imogen Fisher’s life takes a devastating turn when her father decides to trade her future in exchange for clearing his debts. Forced into an arranged marriage with the troubled son of a wealthy family, Imogen feels trapped in a life she never chose. But everything changes the moment a shocking truth is revealed during the arrangement dinner — she is already legally married. The problem? She has no idea who her husband is. Years earlier, while desperately running away from home to escape another forced marriage, Imogen unknowingly signed a real marriage certificate offered by a mysterious old woman who promised it would save her. Thinking it was only a temporary solution, she forgot about the incident entirely. Now the past has returned to haunt her. Across the city, cold and powerful billionaire CEO Malcolm Grayson wakes up to a scandal exposing him as a secretly married man. Furious and convinced someone is trying to trap him, Malcolm begins searching for the mysterious woman tied to him by a marriage he does not remember. Fate brings them together once again when Imogen, now hiding behind her mother’s surname after being disowned by her family, unknowingly begins working under Malcolm himself. As attraction grows, misunderstandings deepen, and dangerous enemies begin circling around them, Malcolm and Imogen are forced into a marriage neither of them wanted… only to discover it may become the one thing they cannot live without.

She thought she was just a contract wife, a convenient arrangement to keep his reputation spotless and his empire stable. But when Duke Austen’s billion-dollar empire begins to crumble, he turns to her, the woman he once treated like a business deal, and suddenly, his coldness melts into obsession. He protects her like she’s his only weakness, kisses her like he’s afraid to lose her, and holds her like she’s the only thing keeping him alive. Until she discovers the truth. She was never just his contract wife. She’s been his real wife all along. And she’s the only one who didn’t know. Now, between love, lies, and a hidden marriage certificate that could destroy everything, she must decide if she will fight for the man who deceived her, or finally walk away as the woman he can never own?

He thought that leaving her was the best thing—he doesn't need her when she's "barren," and his family put their foot down that his real love, her stunning stepsister, was preferable. He thought the lies, sided with the wrong woman, and lost his wife over it… unaware she was pregnant with not one, but three babies. Five years later, she returns—not the broken wife he abandoned, but the powerful heiress to her grandfather's fortune. No longer the one who begged for his affection. Now, she's the one in charge in the corporate world, the one he must negotiate with at every turn. And she hasn't forgotten. But then what does the billionaire who had broken her heart previously do when he discovers about her deepest secret—the triplets with his blood?

Isabelle Cruz is forced to marry Jacob Garcia in place of her adoptive sister. As far as she knows, Jacob is an illegitimate son who's an idler, reckless, and not worth much. Unknown to her, he is a billionaire CEO who's determined to end their arranged marriage as soon as possible. Jacob Garcia is in a hurry to end his arranged marriage to his new wife, Isabelle. He doesn't think it's going to be hard. After all, why would a woman from a wealthy family stay married to a poor man? But he realises quickly Isabelle's is nothing like he expected, and that things may not go according to plan.

Sienna Jones only wanted a one week escape in Miami but woke up one morning legally married to a stranger who happens to be Eric Macmillan, a British Billionaire heir. Before Sienna can process the disaster she accidentally signed up for, the internet has crowned her the mystery wife of a billionaire. Now, stuck navigating lawyers, paparazzi, angry parents, and a marriage they never meant to happen, can Sienna and Eric keep things civil until they quietly annul it?