Shen Nian's family was broken up due to a fire. Lu Yun had a new family after her mother was taken away by her grandmother. Her father, Shen Liang, lost his kidneys and legs to save her.

Eighteen years later, Shen Nian discovered that the mother of classmate Meng Qian was actually Lu Yun.Meng Qian's good friend Liu Lei bullied Shen Nian, and Shen Liang protected his daughter from serious injuries and fell into coma.

Shen Nian witnessed the deep love between his mother and Meng Qian in the hospital and decided to avenge his father.