Synopsis:Tu Xiaoning, the lobby manager who works on the first floor of Huayuan Building, is on the cusp of becoming a regular employee. Ji Yuheng, a young talent working on the seventeenth floor of the building, is the backbone of the business. As they discover that they both have a common need to get married as soon as possible, the two parallel lines intersect. To Tu Xiaoning, Ji Yuheng is a marriage partner that far exceeds her expectations. And to Ji Yuheng, young Tu Xiaoning was once the light that illuminated his heart, and he wants to marry no one but her. Just after the two has plucked up the courage to establish their marriage, Ji Yuheng suddenly becomes Tu Xiaoning's boss. Through a strange turn of events, the two, who were classmates ten years ago, have become colleagues and newlyweds in the present day, and they work together to explore the meaning of marriage and life.