Mental Radiation

There is no love without reason, no hatred without reason, and nothing without reason. The police received a series of reports, but they were helpless, with no evidence or clues. Was it an accident or a serial murder? When the truth was revealed, why did the story of a small person arouse the sympathy of people all over the world? What shocking plan is hidden behind the story? Why are so many forces competing for the "Happy Pill"? What magical effects does it have?