When the suicide note of the 17th patient arrived, psychological counselor Lin Jin saw his own DNA on the autopsy report. The 26-year-old female doctor who had spent 20 years extracting bone marrow from her adoptive parents to save her younger brother from leukemia, who was turned into an academic blood bag by her mentor, and who was marked as a "perfect victim" by the dark web, fed a misdiagnosed AIDS report into a paper shredder. When criminal investigation consultant Fu Eo appears with a list of those infected by "emotional cancer cells", two antisocial redeemers begin the ultimate hunt - using a brain-computer interface to tamper with memories of violence, turning PUA words into infectious sound waves, and turning the blood-sucking family into a virus petri dish... Welcome to the Dark Web Trial Hall, how much empathy do you have left today?