Due to drug smuggling, Su's company went bankrupt, and the Su family was arrested and imprisoned, and was later poisoned in prison. The only daughter of the Su family, Su Man, traveled back in time to Jiang Lingyan, the unknown second daughter of the Jiang family, a scholarly family. Jiang Lingyan asked Su Man to help her expose her stepmother Mu Xinya's conspiracy in the Jiang family. In the process of helping Jiang Lingyan, Su Man discovered that Mu Xinya's family's Mu Company had a subtle relationship with Su's Company. Just when Su Man was about to continue investigating, Mu Xinya seemed to have noticed...