Hunting Killers in the Ghostly Shadows

This world isn’t simply black or white. Most of it lies in shades of gray. Everyone has both good and evil within them. Faced with different choices, some become demons in an instant, while others become heroes for a few seconds. The “Dark Vigilante Serial Murders” in Binjiang City have left numerous police officers facing agonizing choices. The head of the criminal investigation squad is also under suspicion of having a split personality. As the squad’s three pillars investigate one bizarre, eerie case after another, they also match wits with the mysterious vigilante. Who is the hidden hand behind this grand curtain?