The novel unfolds through a series of individual cases, each concealing a mystery and tying into the main plot. It paints a picture of society and officialdom in the Song dynasty while following the four main characters as they go from strangers to a seamlessly coordinated team. Blending mystery, deduction, mechanical contraptions, underworld vendettas, and political power struggles, it aims to create a tense atmosphere where every clue is painstakingly pieced together.
