Psychologist Lin Shen accidentally got involved in a conspiracy that spanned twenty years. From the mysterious woman asking for help on a rainy night, to the weird experiments in the abandoned sanatorium, to the "White Deer Society", a dark organization that can control consciousness, he found that he was inextricably linked to this crisis. When memory becomes a deadly weapon, when trust is shattered in the face of the truth, Lin Shen and his partners Su Qing and Director Zhang join hands to fight against the evil existence parasitic in human consciousness. They have a 72-hour countdown to prevent the launch of the "Return to Zero Project", but they don't know that a greater crisis is hidden deep in the cracks of memory - the erased past, companions with mysterious identities, and the ultimate choice that can subvert the world, waiting for them...
