In Republican-era Shanghai, Gu Qingyuan is betrayed by her own family and the man she loves. She dies with hatred in her heart in the Huangpu River, only to unexpectedly be reborn at the age of eighteen. Determined to correct the mistakes of her previous life, she tears apart the schemes of a scumbag man and her wicked younger sister, purges the family’s traitors, and takes control of the Gu family’s trading house. Standing shoulder to shoulder with Young Marshal Lu Jingchen, she protects her family and the people while fighting foreign merchants, Japanese invaders, and spy networks. Using commerce to defend the nation, she upholds the spirit of her people amid the chaos of war. After enduring countless trials, she ultimately witnesses peace return to the land.