Jiu Dan is only Xiaowu's fiance, but Jiu Dan married Zhan Chun.
The story of Jiudan: Tao Langzhong, the father of Tao Jiudan, was framed by his mistress and forced to marry a woman when he was treating Master Chen. He died in the fire for resisting marriage. Zhao Jianwu, Jiu Dan's fiance, fell off a cliff to save her, and her life and death are unknown. Nine Dan fainted while looking for Jianwu, but was rescued by his grandson, who forced her to be betrothed to his silly son Zhan Chun. She escaped several times and became pregnant with her grandson's flesh and blood. Jianwu strayed into the salt gang to find the nine elixirs, and fate broke up the bad karma Yuanyang again and again. Zhan Chun's younger sister Wen Xiu fell in love with Jianwu and started a relationship. Chen Jiazhu Chen Tiankuo has an indissoluble bond with Jiu Dan because she looks like her dead lover Xiao Baihe. After Jiudan learned the truth of his parents' death, his former benefactor became an enemy. Jianwu was born for revenge and died for revenge. Chen Tiankuo forced his orphans and widows into the government under the pressure of the secular and family, and rescued Jiudan from prison. Jiudan finally got a home.