During the Dajing Dynasty, the imperial power fell to the side, and the power of the regent's government was overwhelming, but there was also an undercurrent.
Shen Qingci, a concubine in the Ministry of Official Affairs who was living like ashes, met the regent Xiao Jue who was shunned by powerful ministers and was poisoned.
. The two went from testing each other and redeeming each other to fighting side by side and depending on each other for life and death. Shen Qingci used wisdom as a blade to help Xiao Jue eliminate political opponents and crack down on conspiracies; Xiao Jue used power as a shield to protect Shen Qingci from troubles and gain a firm foothold. In the end, Shen Qingci went from being an unknown concubine to becoming the regent princess that everyone envied. Shen Qingci joined hands with Xiao Jue to determine the future and write a legendary love story in an imaginary dynasty.