Shen Yanci, a top modern special effects makeup artist, accidentally traveled through time and became the seventh princess imprisoned in the cold palace of the Yin Dynasty. The queen mother died unjustly, the twin sister fell into the water mysteriously, and there were many crises around her. In order to find out the truth, she entered the cosmetics department with her superb makeup skills. She used rouge and gouache as the key to breaking the situation, using weak makeup to hide her edge. She used human-like makeup to track down clues, and laid out her plans step by step between the harem and the court. Xiao Lin, the cold-faced emperor, suffers from facial recognition syndrome, but he can only see her face clearly behind makeup. From testing each other to breaking through the situation side by side, the two uncovered the secrets of "Thousand Faces of Makeup" in conspiracy after conspiracy. Using makeup as a blade and wisdom as a plan, she grew up from an abandoned daughter in the cold palace, and finally changed her own destiny.