Xiang Yuan represents her grandfather's DongHe Group to save XiAn branch company from bankruptcy, thus starts her journey in the business world. She meets her crush from school that she used to pursue after, Xu, and finds him deep in trouble. Xu is standing his ground to become a GPS engineer, while facing adversities from unfair company policies. As Xiang grows in the midst of all the challenges, and develops a supporting relationship with Xu, that rekindles some sparks between them. They both strive to be achieve the research project of the Chinese Northern Star GPS.