In the Dayao Dynasty, there was a bloody battle between princes. Shen Ningzhi, the legitimate daughter of the Shen family, was framed by her concubine, and the entire family was accused of treason. She was the only one who was pushed to be the concubine of the "waste prince" Xiao Jue, and became the laughingstock of the capital. Unexpectedly, beneath her gentle appearance, she is a vengeful Shura with unparalleled wit and skill in medicine and poisoning; while Xiao Jue, who seems to have no ambitions, turns out to be a sinister and powerful official who has secret guards and has been hiding for ten years! On the night of the wedding, the two tested each other: "Do you think I'm really easy to control?" "Both each other." From then on, the couple teamed up. Shen Ningzhi used poisonous tactics to torture his concubine, tear up the white lotus, and break the conspiracy. Xiao Jue used his power to kill the treacherous minister, seize the military power, and ascend to the throne. They were the most tacit allies in court, and in private he doted on her: "Whoever dares to touch my people will kill the nine tribes!" But on the road to revenge, the truth about the family's injustice gradually surfaced, and there was actually a bigger shocking secret behind it...