Mei Ruohua, a scion of a seafaring dynasty, loses everything to her family's massacre, fueling her lifelong quest for vengeance. By fate, she becomes a disciple of Taohua Island, renaming herself Mei Chaofeng. Bound to her senior, Chen Xuanfeng, by forbidden love. Obsessed with mastering peerless martial arts for revenge, Mei Chaofeng mistakenly believes her master Huang Yaoshi hoards the Nine Yin Manual and refuses to teach its secrets. Bound by love and oath, the pair steals the manual and flees the island. They master the Nine Yin White Bone Claw, earning infamy as the Black Wind Twin Evils. Yet their love cannot last.