In the future city "Xinhai" where memories can be read and edited, Ling Su, a top memory weaver, is ordered to investigate a seemingly ordinary suicide case. The deceased was Dr. Evelyn, the founder of memory technology, but her last memory showed unexplainable paradoxes and fragments. While the authorities were rushing to make a conclusion, Ling Su discovered a "ghost" in the ruins of memory that pointed to a huge conspiracy. In pursuit of the truth, he has to dive into a deeper and more dangerous labyrinth of memory, fight against unseen enemies, and face his own long-standing trauma. In this intertwined contest of fiction and reality, he will discover that the most terrifying cage may be the past we firmly believe in.