Retired frontier warrior Chen Shian dies in a car crash, transmigrating into a dissolute prodigal son despised by everyone in the desolate ruins. Facing the desperate situation of his eldest brother's recent death and his family falling apart at the start, he refuses to lose his ambition. Relying on the blade in his palm and resilience in his chest, he awakens martial arts secret traditions, slaughters evil scoundrels, protects his widowed sister-in-law and orphan nephew, earns a living to build a foundation, maneuvers among various forces in the walled city with strategy, and props up his family's world with hard fists. From a dissolute wasteroom to a home-protecting maniac, his unyielding backbone slaughters demons and kills enemies. With a mortal body, he draws his blade a million times, defies heaven to change his fate, and uses his responsibility to prop up a peaceful hearth for his family.