In the Fourth Industrial Satellite Cluster, 22-year-old Shen Miu has just graduated from New Ring Fourth University and is at a loss over his career choices. At the funeral of his elderly neighbor, a retired teacher, an old photograph, an erased number, and a hidden parameter lead him to stumble upon a buried history. Pan-humanity, new energy, the final refuge: as his investigation deepens, he discovers that his family, his choices, and even his research are all entangled with that silent truth. What role will that truth play in the tides of the times?
