Born into powerful families, they were engaged the moment they were born. At five years old, they met for the first time — and immediately disliked each other. He found her annoying and too proud, while she thought he was rude, arrogant, and impossible to deal with. Even as children, they constantly argued whenever their families forced them to spend time together. Soon after, she was sent abroad to continue her studies, leaving their arranged engagement behind as the years passed. Twenty years later, they meet again. At twenty-five, he is no longer the cold little boy she once knew. He has become a feared mafia boss — powerful, ruthless, and dangerously untouchable in the underworld. Meanwhile, she returns as the graceful and intelligent heir of her family, carrying elegance, wealth, and authority wherever she goes. The moment he sees her again, something changes. What started as annoyance slowly turns into obsession. Despite his cold reputation, he finds himself drawn to her in ways he cannot control. But she wants nothing to do with him. To her, he is still the same arrogant man from years ago — dangerous, controlling, and completely impossible. As old memories return and enemies begin targeting both families, they are forced to stay close to one another. And somewhere between tension, arguments, jealousy, and danger, the mafia boss who once hated her becomes the first one to fall.