The story takes place in a bustling city, where undercurrents surge beneath the seemingly calm surface, and a series of bizarre cases break the tranquility of the city. The criminal investigation team led by Su Jinan trudged forward in the fog, and every case pointed to the distortion and darkness of human nature. As the investigation deepened, the truth gradually emerged, and Su Jinan also found that she was involved in a larger conspiracy. She must make a choice between justice and personal love, uncover the truth hidden in the darkness, save herself and the city.
