In the near future, an isolated island on the sea called "Cocoon" provides people with "memory modification" services to erase pain and rebuild new life. Lin Feng, a top memory modifier, is famous for his calm and precise techniques. He regards memory as programmable data and forgetting as the ultimate mercy. Until he met Client No. 734 - A girl whose memory cannot be erased. A stubborn red scarf image in her mind was like a deep-sea bomb, which not only challenged Lin Feng's professionalism, but was about to detonate his own dusty past, as well as the shocking secrets about "forgetfulness" and "truth" behind this isolated island.
