The plot of the first episode of the TV series "Red Dust": In the early days of liberation, Gu Haitanghua and her sister were sold into Yihongyuan. Gu Haitanghua accidentally saved a man in the Jyuan one day. The next day, my sister had no choice but to torture and commit suicide by jumping off the building.

After her sister died, the madam forced Gu Haitanghua to receive guests. Gu Haitanghua accidentally killed the man and took his daughter Lingzi and fled to a different place. Lingzi shouted loudly on the train and asked Gu Haitang to let her go. Gu Haitang told the girl that you are my sister's biological child. It was the man who robbed her since she was a child.

Gu Haitanghua brought Lingzi to Shanghai. As soon as she arrived in Shanghai, she was spotted by a villain who wanted to sell them. Fortunately, Gu Haitang escaped by pretending to have lung disease. Gu Haitanghua was walking on the street with Lingzi when Lingzi suddenly fell ill. Gu Haitanghua deliberately knocked down a car for Lingzi and asked for help from enthusiastic people to save the child.

Zhang Yinglian and her mother Tang Biluo rescued Lingzi and sent her to the hospital. The child had dengue fever, so Zhang Yinglian paid all the medical expenses and gave Gu Haitanghua her own address.

Tang Biluo has been living overseas. When she returned home this time, her husband Wencai divorced, but her daughter Zhang Yinglian didn't know...