The third young master of the Dongfang family, Dongfang Yuxuan, has spent his life doing nothing and is a regular at the Yuewuxiang Brothel, where he drinks and enjoys the company of courtesans.
Few people know that this third young master of the Dongfang family has spent ten years studying at Qingyun Sword Sect.
His eldest brother, the top scholar of the imperial court and head of the national treasury, is still in his prime, yet news breaks that he has died of illness. His sister-in-law then remarries Pingyang Prince, becoming his consort.
Meanwhile, his twin sister Yuxuan is also about to marry the Third Prince.
The young Xuan Yu descends the mountain with a sword and takes his twin sister’s place, marrying the prince and becoming his consort.
He investigates his elder brother’s death and enters the prince’s estate disguised as a woman.
He gains the legacy of a Sword Immortal, his sword arriving from the west as he reaches divine mastery of the sword path.
He obtains the family’s ancestral Sunflower Divine Art. With the manual in hand, the world is his.