Cao Yin, the powerful head of the Eastern Depot and leader of the Embroidered Uniform Guard, adopts a girl named Shen Yan, who excels at music, chess, calligraphy, and painting.
The Duke Cao commands fear and respect wherever he goes, but he cares for this girl deeply and indulges her in everything.
Shen Yan thinks she can live out her life in peace, until Cao Yin uncovers a case from twenty years ago, setting her on a path to a life far from ordinary.
