In a future where memories can be extracted and traded, top memory master Su Chen accidentally comes into contact with a forbidden memory substance called "void". It can awaken memories that don't exist and make people sink. In order to trace its origin, Su Chen teamed up with the mysterious woman Ling and got involved in a conspiracy that could overturn the world. He must wander on the boundary between fantasy and reality, recover the forgotten truth, and fight against the mastermind who is trying to imprison all mankind in false happiness.