Subverting innocent people successfully awakens demonic powers. Their emotions are manipulated into severe depression, and they eventually choose to commit suicide.
This phenomenon makes two siblings, Yamile and Zhao, unable to stay silent. But their enemies are not ordinary humans but demons with unreasonable strength.
Zhao eventually devised a plan to trap his own sister in order to avoid death. Yamile had to acquire demonic powers to combat the gangsters' strength.