Gu Yuan indulged in online gaming, leaving his young daughter alone at home, which led to the child encountering danger and getting hurt. His wife Su Qian collected evidence to defend her rights and divorce according to the law, fully guarding their daughter's physical and mental health. Under a series of painful lessons, Gu Yuan suddenly woke up, abandoned bad habits, and made an honest living. The story promotes marital responsibility and guardianship obligations, conveying the positive social value of abiding by the law, being responsible, and facing family education squarely through the joys and sorrows of an ordinary family.