Huimei and Fan met on the university campus bathed in the spring breeze, under the huge cherry blossom tree. Huimei fell in love with Fan at first sight, and they soon met and fell in love. The summer after Huimei graduated, they got married, and Fan entered Huimei's father's Yongguang Enterprise and began to develop his ambitions. One day five years later, Fan was found dead in his bedroom. Ye Zhi, a young and promising deputy chief of the Criminal Division, and Liu Zhihui, a newly promoted policewoman, were assigned to take charge of the case. Was it homicide or suicide? Why did Fan die? Who is she? It's a true mystery drama where you won't know the whole story until the end!