The eldest grandson of the Gu family, Gu Linyuan, developed uremia, and a kidney donor could not be found immediately. The head of the Gu family, Patriarch Gu, made a decisive decision to have Gu Linyuan's twin sibling, Gu Lingyun, donate a kidney. The surgery was successful, and Gu Linyuan survived, but during the operation, Gu Lingyun suffered massive bleeding and urgently needed a blood transfusion. Since both twins had the rare "panda blood" type (Rh-negative), the hospital's blood bank was in critical shortage, and the only option was to draw blood from Gu Linyuan. Patriarch Gu immediately vetoed the idea and ordered his subordinates to throw Gu Lingyun out. The next day, Gu Shiyun, the CEO of the Gu family, brought the eldest granddaughter, Gu Miaotong, to visit, only to learn the shocking news that Gu Lingyun had been abandoned. Overwhelmed with grief, Gu Shiyun fainted while searching for her daughter. Meanwhile, Chen Biyun, the widow of the Chen family, discovered the discarded Gu Lingyun in a trash
