Lin Wanxing woke up in a rainstorm night, and the name "Su Nian" suddenly entered his mind, as well as memory fragments that did not belong to him - the smell of blood in an abandoned factory, a scratched silver pendant, and a vague cry for help.
As a forensic examiner, the scene of the corpse case she just took over surprisingly overlapped with the scene in her memory; and "Su Nian" was a serial case suspect who disappeared three years ago, and the photos in the file were exactly the same as her appearance in the mirror.
The DNA in the fingernails of the deceased matched two people at the same time. Rumors of "one body and two souls" spread in the police force, and mysterious black figures frequently lingered by her window. When she tried to piece together the truth, she discovered that her employment file and the testimonies of her relatives and friends were all lies.
The microchip in the silver pendant and the experiment number that appeared repeatedly in the memory gradually revealed the cruel secret: her and Su Nian's identities never existed, they were just experimental subjects whose memories had been tampered with.
When the real murderer stands in front of him, Lin Wanxing must find a way out among the broken memories - who is she?
