Luo Mingxi is the eldest daughter of the Prime Minister of the Yan Kingdom. She has been doted on since she was a child. However, she has a huge secret and does not want to get involved in political struggles. One day, she is sitting at home, and disaster comes from the sky. She is offered a marriage to the fourth son of the Emperor of Yan, and has to embark on the road of palace fighting.
Purpose: life and nourishment, public and private