He Dazhu, a Level-8 fitter at a machinery factory, diligently supported his family for 19 years—only to be treated as a 'blood-sucking tool' by widow Qin Huiru and his adopted son Jia Fenggeng. When he suffered a severe work-related injury and was hospitalized, the two openly abandoned his treatment—and eagerly awaited his death—to claim his survivor benefits and welfare housing. At the brink of death, He Dazhu awakened his Self-Love System.