Burdened with overwhelming debts, Lynn is trapped with no way out. Cold, powerful billionaire Kian Vanderbilt offers her a fortune out of simple sympathy. To him, she is just another desperate girl begging for his handouts. But Lynn chooses pride over easy salvation. She turns down his patronizing money without hesitation, determined to fight through all hardships on her own. Her stubborn dignity stuns Kian completely. Nobody has ever said no to him. Curiosity and a strong desire to conquer take hold of him. He puts forward a contractual marriage just to keep her around. Living together bound by a legal agreement, they bicker constantly yet care for each other quietly. The ruthless tycoon slowly melts only for Lynn, waiting patiently until she is willing to open her heart to him. Through misunderstandings and sweet gentle moments, her defensive walls crumble little by little. The girl who once refused his charity finally wins the lifelong, sincere devotion of the most influential man in the city.