The young girl Zhang Xiner (played by Guo Caijie) 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 Xiner’s guardian counselor Liu Mei (played by Liu Xuehua), the famous biological scientist Professor Dong (played by Guo Jinglin) helped her reshape her memory and cut her pain through the method of cutting memory. The original smooth memory cutting experiment, but one after another accidents and loss of control, when the truth continues to surface, how will Zhang Xin'er face all this in the end?