Shen Zhiwei has no lofty ambitions and enjoys the carefree life of a noble girl. The biggest worry may be the complicated etiquette classes arranged by her mother, and her unclear but increasingly clear feelings for her childhood sweetheart Lu Xiao.
Lu Xiao inherited his father's ambition, defended his family and the country, and established a career in the military. The biggest "worry" was Shen Zhiwei - how to make this little girl who had seen him since childhood understand his feelings.