After everything was taken away, Xie Jin used his broken body to awaken the echo of cause and effect, overturning the authority of the underground world. Shen Zhao's medical network became his only escape route, Bai Ye's traps were laid step by step, and Ruan Qi's orphan army quietly took shape. When Su Li's letter revealed the truth about her mother's death, Mu Jiu's betrayal set off a chain explosion - he was not an avenger, but the fuse that detonated the abyss. Every undercurrent in the underground world is paving the way for his end.