Zhao Song, the concubine's daughter of the Duke, was sent to the palace as a substitute for her sister. With her beauty and wisdom, she made her way to the empress step by step, capturing the heart of the king, and playing the whole people in the palm of her hand. Finally, she personally destroyed her maternal family to avenge her birth mother. However, after defeating the arrogant Consort Chen, she discovered that the seemingly innocent Empress was the true boss!