In the perfect urban "Mirror City" where memories can be edited and emotions can be filtered, Ling Chen, a top memory designer, woke up and lost all his memories. He became the perfect "blank slate" for his own work. A remaining abnormal data fragment led him to the forgotten bottom of the city and the mysterious data archaeologist Xiaotong. In order to find the answer to "Who am I?", Ling Chen must sneak into the memory maze built by himself and fight against the invisible hand that created this perfect cage.
