Ling Mo, the strongest spy, had the ability to "regulate the sense of existence" but unexpectedly lost control. After completely returning to zero, he was forgotten by the whole world. Only Lin Que, his crush and rival, can sense his existence due to his family's talent. In order to regain their sense of existence and uncover the truth that the Faceless Society uses the "rules of existence" to carry out conspiracy, the two went from tit-for-tat to fighting side by side, weaving bonds in a desperate situation, fighting against the devouring of nothingness, and protecting the world and each other.
