Tang Yin, a female lawyer, died tragically at the hands of a family member of a domestically violent man. Before her death, she asked for help from her husband, Lu Yuan, who had been separated for five years, but she was told in exchange, "Don't show mercy." Her soul lingered after her death, and she witnessed her frail old father and his four-year-old daughter struggling under Lu Yuan's indifference and ridicule. When the truth was revealed layer by layer, Lu Yuan almost went crazy in his belated regret, and his father was willing to risk his life for revenge. This is a story about justice, maternal love and the coming judgment, exploring the darkness in the depths of human nature and the tragedy of belated affection.