When the eldest sister refused to marry the dying prince, she was forced to enter the East Palace as the future widow. Everyone thought that this married concubine would not survive more than three months, but she used her exquisite medical skills to save the prince's life, which even stirred up an undercurrent in the court. From the abandoned wife in the cold palace to the crown prince in prison, the ultimate winner of this chess game that started with marriage was the emperor and the country she established with her own hands.
