I want the sun

In winter, the cold wind blows with snow. Li Jie committed suicide due to depression because his wife Li Shufen had an affair. Li Shufen and her daughter Li Qiutong's stepfather drank too much and often beat and scolded Li Shufen, his wife and daughter. Finally, the stepfather extended his claws to the young Li Qiutong. Li Shufen finally discovered the truth and planned to kill her stepfather. However, Li Shufen was eventually arrested and imprisoned for attempted murder. It seems to be an accidental arrival, but behind it is a careful layout. Li Qiutong was adopted by prison guard Bai Bailing, and everything seemed to be away from the control of the devil. However, the stepfather still found Li Qiutong. I want to continue this relationship no matter what. Will Li Qiutong agree to this devil? How will prison guard Bai Bailing react? How does Li Shufen fight back in prison? How can Li Qiutong seize the "sunshine" in a dark life?