In 2035, Blue Planet faces resource depletion and severe environmental pollution—triggering a global 'Garbage Crisis.' Towering garbage mountains encircle cities; toxic waste contaminates water supplies; air-purifying masks are mandatory for stepping outdoors. Lin Bei, a 22-year-old underdog orphaned at a young age, survives by scavenging trash and reselling recyclables—earning the notorious title: 'The Garbage King.'