In the near future where memories can be read and roamed, top scientist Lin Zhengde died mysteriously, and the official conclusion was that he committed suicide. His estranged daughter Lin Yu, a data archaeologist, discovers doubts in the relics. In order to find out the truth, she was forced to activate her father's controversial prototype "Origin Tracing" and sneak into the abyss of her father's sealed memory in the form of a "ghost". Among the intricate memory fragments, she not only has to piece together the truth about her father's death, but also has to face a secret that can subvert the entire world, as well as a past that she has long forgotten and has been deliberately kept dusty.
