In the future city "Mirror City" where memories can be read, when Ling Su, the top memory judge, was investigating a secret room murder case, he actually saw his own face that pulled the trigger in the deceased's last memory. Transformed from law enforcer to prime suspect overnight, he is forced to join forces with the victim's suspicious sister, Ye Tong. In the journey of pursuing the truth, they not only have to fight against the huge behind-the-scenes mastermind, but also face the tampered memories and the crimes buried deep in their hearts. When the echoes dissipated, the true face of Mirror City was just revealed.
