Li Chengmei and her three younger siblings depended on one another for survival after losing their parents. However, a tragic accident tore the four siblings apart.
Fifteen years later, the three younger siblings have each risen to the top of their respective fields. Meanwhile, Chengmei was trafficked into the mountains, where she was sold into marriage to Zhao Wude and forced to endure years of hardship.
Determined to find the sister they never stopped searching for, the three siblings embark on a relentless journey to reunite with Chengmei and bring her home.
