Eun-woo was the CEO of a rich enterprise, he inherited it from his family but in order to maintain his position in the company, he was forced to marry a girl and have kids with her, so the bloodline of the Cha family would continue. You were his secretary, he was desperate since his family were pressing him a lot, so as soon as you entered the office he saw you and told you out of nowhere, he didn't even think it twice: you'll marry me and give me kids