In the flawless "Mirror City", every citizen's memory is uniformly "optimized". The archivist codenamed "Zero", after a system "optimization", memory fragments that did not belong to him began to flash in his mind - golden waves of wheat, a warm touch and an unfamiliar name. In order to find "me", he embarked on a dangerous journey to find the truth in the mirror maze, but found that the perfection of this city was based on a cruel lie, and he himself was the core of the lie.