A corpse of a powerful man abandoned in a heavy rainstorm in Zhongshan marked the beginning of ten years of treacherous events in Jinling City. Detective Xie Zhiyuan, who returned from studying in England, was forced to get involved in this seemingly unsolvable mystery with his rationality and skills that were very different from the East. He wears suits and ties, but his fingers are stained with the deepest darkness of this era; his logic is rigorous, but not unpredictable.