In the swamp of Rust Town, the rusty star symbol reappeared, and the girl's body confirmed the return of the "Nightingale Killer".
Alia's hand holding the scalpel was shaking - the chemical residue on the deceased was exactly the same as that of her brother who died tragically two years ago.
And the man who was unknown as her brother's partner but is now prosperous in the police station - Oscar Gray, became her only breakthrough.
Purpose: When the system that upholds justice has itself become a breeding ground for evil, the only light can only come from those guardians who do not hesitate to dirty their hands and fall into darkness.