Yang Boqi, a modern medical student, traveled through time and became a young eunuch in the harem of the Zhou Dynasty. He originally wanted to keep a low profile to save his life, but because of his extraordinary talent, he was selected by the imperial concubine to become the secret face, and he was forced to be involved in the turbulent battle for the inheritance. With medical skills and wisdom that transcended the times, he dealt with concubines, queens, and powerful officials, borrowing seeds, seizing power, and training soldiers... Let's see how he worked step by step in this nine-level palace, growing from a chess piece to a chess player, and finally wielding power!
