On the day he was elected to the palace, Liu Zhichun looked back in the swaying spring rain and saw the last figure of his brother being taken away by chains outside the palace gate. She knew that this iron-blooded prime minister, who once put everyone in the Liu family in jail, would never let go of any prey. The palace was as deep as an abyss, and the imperial concubine was making things difficult for her, but she managed to stay step by step among the thorns, making everyone ignore the silver needle and poison bag hidden in her sleeve. Until the prime minister, wearing a dragon robe, knelt in front of the couch and kissed the instep of her feet: "I have brought you the country that my queen wants."