Raina Dane’s life is a battlefield. Raised in an average family, she carries the weight of her father’s betrayal — his infidelity fractured her trust and hardened her heart. To those who know her, she’s a StoneHeart: fierce, unyielding, and utterly untouchable. She hates weakness and the kind of love that destroys.At school, Raina doesn’t just avoid boys — she despises them. Except for her brother, the one man she trusts. The rest are just reminders of what her father did, and she refuses to fall for any of their empty promises.Then there’s Arian Cole — the city’s notorious bad boy, heir to a billionaire empire. Arian’s world is ruled by power, wealth, and reckless charm. He dates rich, spoiled girls who wear their cruelty like armor, and when they break down, he’s their cold, unapologetic fixer. His kindness is a weapon, sharp and fucked-up, wielded only for those who can survive his twisted games.His best friend Nathan — son of his father’s company lawyer — teases him endlessly about his latest heartbreaks. But one afternoon, as they sit in the high school canteen, Nathan mentions the “StoneHeart Raina” — a girl with a reputation as fierce as her silence.Arian glances over and sees her — alone, eyes burning with a fire he’s never encountered. She doesn’t bat an eyelid at his reputation, doesn’t flinch under the gazes of his usual admirers.Something about her stirs a challenge in Arian. He decides he wants to teach her a lesson, to break through her walls like he’s done with every other girl who dared to cross his path. But what he doesn’t expect is to find himself caught in the lesson instead.Their interactions are a dangerous game of cat and mouse — sharp words, heated glances, and moments charged with electric tension. Raina tries to keep him at arm’s length, but Arian sees through her tough exterior. He senses the loneliness she hides and the longing she refuses to admit — even to herself.Though his methods are flawed, there’s a strange tenderness in the way he pushes her boundaries without breaking her spirit. And beneath his bad-boy façade lies a man struggling with his own scars and fears.Seven years later, life throws them back together in the ruthless corporate world.Raina, now a fiercely independent influencer, has clawed her way out of her past and carved a name for herself. When she’s unexpectedly hired by Cole Dynamics — the very empire Arian now runs as CEO — the past ignites with all the force of a lightning storm.In the sleek glass boardroom, the years melt away the moment their eyes meet. Arian, still dangerous and magnetic, recognizes the fire in Raina’s gaze — the same fire he once thought he could tame, but never could.He offers her a place on his team, demanding full commitment. But this time, the stakes are higher. The business world is a battlefield, and their personal history only complicates the war.As they navigate high-stakes deals and corporate betrayals, their chemistry burns hotter. Late-night meetings blur the lines between professional and personal. Every touch, every glance becomes a spark threatening to ignite into something uncontrollable.Raina fights the pull she feels toward Arian, wary of losing herself again. But Arian’s bad-boy charm is no longer a game — it’s a shield for a man who’s fallen deeper than he intended. His rough edges soften only for her, though he’d never admit it aloud.Undone is a story of broken trust, dangerous attraction, and the power of a love that refuses to be tamed. It’s about learning to trust when every part of you is screaming to run, and discovering that sometimes, the hardest battles are fought in the heart.