In the future city "Xinhai" where memories can be extracted, traded and tampered with, Lin Mo, a top memory appraiser, is immersed in the happiness, anger and sorrow of others all day long, but is unable to piece together the truth about his sister's disappearance. A seemingly ordinary memory restoration commission involved him in a conspiracy led by the giant technology company "Yongyi Technology". The mysterious client Su Qing, a broken core memory chip, and a recurring strange symbol forced Lin Mo to face his dusty past. In this sea of memories where true and false are difficult to distinguish, he must find the isolated island called "truth", otherwise he and everyone around him will be swallowed by the wave of forgetfulness.
