In 1928, Jinling was shrouded in fog. Overseas detective Lu Jingyuan and Chinese language student Shen Qingci unexpectedly formed an alliance due to a series of murders. Newspaper reporter Xiao Yi and mysterious female forensic doctor Su Manli joined one after another. The four teamed up to solve the mystery case of Confucius Temple, the secret room in the concession, the secret murder in the mansion, and the mystery of the ancient tomb, and unraveled the cocoon in the game of good and evil. From personal grievances to the righteousness of their family and country, they faced the shady power and Japanese conspiracy in the troubled times of the Republic of China, and fought against the gloom of the times with their youth and passion. The incomplete bronze coins hide mysteries, and multiple twists reveal the true identity of the boss behind the scenes. When the fog clears, they who stick to justice will eventually continue to write hope in the flames of war.
