In the near future, the biotechnology giant "Reconstruction" company has invented revolutionary "memory editing" technology. People only need to provide image media such as photos, and the "memory craftsman" can accurately locate and modify the relevant memories. The technology is intended to treat psychological trauma, but it soon becomes the most dangerous criminal tool: perfect alibi, false eyewitness testimony, distorted interpersonal relationships... Memory is no longer reliable evidence, and the truth itself becomes precarious.