In the modern city of Jianghai, the city is bustling and lively on the surface, but in fact there is an undercurrent. Under the glamorous appearance, criminal activities continue to breed, and vicious cases such as serial murders, cultural relic smuggling, campus tragedies, and cyber crimes have occurred one after another, casting a shadow over the city. Our protagonists Lin Yu and Su Yao, as the elites of Jianghai City's criminal investigation team, relied on their keen insight, professional skills and firm belief to uncover the clues in the foggy cases, and launched one thrilling contest after another with the criminal forces hidden in the darkness.
