Bizarre murders occurred one after another in the city. The deceased died in strange ways, leaving no valuable clues at the scene. Interpol Chen Yu was ordered to investigate this series of cases. As the investigation deepens, he discovers that there seems to be a mysterious organization hidden behind each case. This organization acts in secret and can always destroy evidence before the police arrive. Chen Yu faces many difficulties in pursuing the truth. Not only does he have to face the secret obstruction of the organization, he also has to bear the pressure from his superiors and public opinion. But with his firm belief and extraordinary wisdom, he peeled off clues and gradually unveiled the dark veil of this organization. A contest between justice and evil quietly unfolded in the shadow of the city.
