Heavy Case Action: Serial Killings (Cantonese)

A mysterious suicide incident occurred in Hong Kong, where the deceased self immolated and died during live streaming on their mobile phones. However, the only witness present insisted that he had lost his memory at the time and denied any involvement in the suicide incident. The police serious case team took over the investigation, and all evidence pointed to the eyewitness as the real culprit who wrote, directed, and acted on their own, instigating others to commit suicide