A dangerous journey gave Gu Ming the chance to meet the warm light that once existed in his heart -- Li Shuo. But now known as Wei San, he has already lost all memories about Gu Ming and is now an assassin. Mutual destruction or mutual redemption await the two... A world ravaged by a mysterious organization, and a chaotic city filled with violence and madness. For the sake of revenge, and for the sake of saving Li Shuo from a cruel fate, Gu Ming will have no hesitation, even if he has to fall into a deep swamp of darkness.