Su Ruixuan joined the criminal investigation team for his father who died unjustly and started the road to pursue the murderer and clear away the injustice. During this period, he and his colleague Shen Jingyi developed a mutual affection and worked together to solve many bizarre cases and uncover the mastermind behind the scenes. They persevered in the twists and turns, and finally let the light of justice penetrate the darkness. The family reunited and had a successful harvest. Looking back on the past, they strengthened their belief in guarding the future...
