Jade Fiend, the feared female villain of the martial world, is killed and reincarnates in modern times, possessing Lin Wanqing, a wealthy Lin family daughter who’s just been murdered. To fulfill the original’s last wish—marry Gu Chengyuan and protect the Gu clan—she tames Gu Chengyuan, the most notorious playboy of Cloud City, with ruthless tactics. Bound by a contractual marriage, they clash at first, then fall in love, joining forces to fight conspiracies inside and outside the clans. Eventually, they uncover the earth-shattering secret that her past-life foe has also reincarnated, and find true love amid life-and-death trials.