Psychologist Lin Wanbai fell into a well-designed murder trap - all evidence pointed to the prescription drugs she prescribed that caused the patient's death. Detective Shen Yehei approached her as a patient, but he planted the seeds of memory manipulation in the clinic. When Lin Wanbai discovered that Shen Yehei's office contained samples of the victim's brain tissue, and his DNA matched some of the samples, a game about identity, memory and revenge unfolded in the bloody path of medical waste. In the end, the unburned medical records in the incinerator revealed that only one of them was true.