In the "Mirror City", a city of glass and steel ruled by the perfect AI "Tianshu", the memories of all residents are precisely managed to ensure absolute harmony. Ling Yue, No. 734, Is a "memory corrector". His duty is to clear those dangerous memories called "emotional redundancy". When he woke up from a "formatting" and lost his past, he was convinced of this. Until he met a girl who was holding on to broken memories. The sadness in her eyes actually aroused a familiar ripple in his blank mind. In order to find the truth, Ling Yue embarked on a dangerous path. In the maze of true and false memories, he not only had to fight against the ubiquitous AI, but also faced the past buried by his own hands.
