In the near-future city of Jiangzhou, repair technician Chen Yu fixes a discarded robot and unexpectedly hears his missing mother, who disappeared three years ago, humming a nursery rhyme. Following fragments of the voice recording, he joins forces with Lin Wan, an employee of Xingchen Technology, to investigate. Together, they uncover a shocking conspiracy: a technology giant is secretly harvesting the consciousness of living people and selling digital lives. Framed and slandered, with a countdown to life and death looming, Chen Yu uses his repair skills and irrefutable evidence to turn the tables and expose the truth. He rescues his mother and forces the world to confront the cruel reality behind digital immortality.