In the near future, memories can be edited and repaired. Lin Mo, the ace restorer of the Memory Archives, is known for his calmness and precision. He regards memories as data and emotions as garbled codes that need to be corrected. However, while dealing with a seemingly ordinary case of hallucinations, a lullaby that did not belong to the client but made his soul throb, invaded his strict world like a virus. In order to trace the source of this echo, Lin Mo embarked on a prohibited investigation. He gradually discovers that behind his erased past and the memory modification technology that the entire society relies on to survive, there is a shocking secret that can subvert the world. The order he protects is the cage that imprisons his truth.
