At First Glance, I Was Very Excited

She is the youngest cardiac surgery expert in the country and a benevolent angel in white among doctors. He is a powerful heir to a business empire, but he has an unknown congenital heart defect. An unexpected encounter made him fall in love with her at first sight. In order to keep her, he signed a one-year contractual marriage with her at the risk of the life and death of the family business. However, when she walked into his world, she discovered that this cold-looking man was actually the dying boy she had rescued on the operating table... Business conspiracies, medical accidents, family feuds, and many crises, can they overcome the gaps between status and class and find true happiness?