The young girl Zhang Xin Er, accidentally saw the murder scene where her parents were shot, when she was ten years old, and she was deeply traumatized. This painful memory that can never be erased accompanied her growth. Entrusted by Zhang Xin Er’s guardian counselor Liu Mei , famous biological scientist Professor Dong helped her reshape her memory and ease her pain through the method of "cutting memory". However, soon the memories come back with redoubled strength, and strange incidents that try to reveal the truth about what happened, starts happening.