In the fifteenth year of the Republic of China, the city of Nanjing was prosperous on the surface, but in reality there was an undercurrent. As various forces compete, the mysterious organization "Hidden Pavilion" secretly controls the hidden corners of the city, guarding a shocking secret that can subvert the regime. As bizarre murders occur one after another, the dusty past gradually comes to light, dragging the protagonists into a whirlpool involving life, death and faith.
