Detective Tang Ziwei lost his comrades who fought alongside the robbers during the robbery. After being escaped by the robbers, he disregarded the obstruction and vowed to solve the case. He teamed up with his newly appointed partner Yang Zhen and brought in a hundred steps to make progressHuntress Jin Shanshan and the secretive swordsman Guan Yidao, the four of them painstakingly investigated and approached the truth of the case step by step, but unexpectedly fell into a more complex and entangled situation