Tu Xiaoning, the lobby manager who works on the first floor of Huayuan Building, is in the critical period of becoming a full-time employee. Ji Yuheng, a young talent working on the 17th floor of the building, is the backbone of the business. They have a common need to get married as soon as possible, and two parallel lines arise. point of intersection. In Tu Xiaoning's eyes, Ji Yuheng is a marriage partner that far exceeds expectations, and in Ji Yuheng's eyes, young Tu Xiaoning was the light that once illuminated him, and marrying Tu Xiaoning is his only firm choice. Just after the two plucked up the courage to establish their marriage, Ji Yuheng suddenly became Tu Xiaoning's boss. The pair, who were classmates ten years ago, accidentally became colleagues and newlyweds ten years later. They work together to explore the meaning of marriage and life.