Synopsis：Hyun-woo, once a billionaire heir, now lives a low-key life working three part-time jobs. When Seo-yeon, the woman he had a one-night stand with, suddenly returns with their daughter and insists on marriage, they are forced into an instant family. As a major crisis hits her company and home, Hyun-woo secretly steps in to protect them, while Seo-yeon still believes he’s just a poor man. Will she uncover who he really is?