Su Wan and Lu Chen, who built their career together, have a lovely daughter named Nian Nian. Lu Chen is blinded by the fragile image portrayed by Meng Qing, neglecting his family responsibilities. To follow her father, Nian Nian sneaks into the refrigerated truck compartment's insulation box. Su Wan seeks help everywhere but is not trusted, and the child suffers lasting physical damage after meeting with danger. Su Wan no longer compromises, collects complete evidence according to regulations, and clarifies the facts from multiple sides. Meng Qing bears the corresponding legal consequences, Lu Chen recognizes his own faults, and accepts the relevant responsibilities determined by the law. Su Wan focuses on her self-growth, accompanies her daughter to persist in rehabilitation training, and the mother and daughter strive to run towards a stable and beautiful brand-new life.