In the cosmic garbage dump called "Guixu", civilization's waste piles up in mountains, and memories are extracted and circulated as currency. Kay, the memory surgeon, is skilled in skills but numb in his heart. He only wants to save a huge amount of money to remove the traumatic memory that he cannot face. A distress call from his destroyed hometown disrupts his plans and forces him to delve into the dangerous wasteland to find the truth. He discovered that he was not only the operator of memory, but also the carrier of the final truth of civilization - that traumatic memory recorded the evidence of self-destruction of previous generations of civilization due to addiction to false memories. Nowadays, the monopoly consortium that controls the memory trade is causing "Guixu" to make the same mistakes again. Kai must make a choice: to completely erase the pain and gain personal liberation, or to hold the memory scalpel in hand and graft a cruel truth that no one wants to hear into this world addicted to forgetting.