The city never truly slept. Even at night, neon lights reflected off rain-soaked streets and sirens echoed somewhere in the distance, a constant reminder that crime never rested and justice rarely moved fast enough. In this world, people had learned to live with frustration. Criminals walked free on technicalities, sentences felt too light, and the public’s anger simmered just beneath the surface. Then someone began to act. A masked figure started targeting offenders who had slipped through the system, delivering punishment where the courts had failed. The media named him the Vigilante, and soon everyone had an opinion. Some called him a hero. Others called him a monster. Either way, the city changed the moment he appeared.

The police formed a special investigation team to hunt him down, and leading that effort was Jo Heon. Known for his sharp mind and unbreakable discipline, he approached the case with relentless focus. He did not believe in shortcuts or public spectacle. For him, justice had to remain inside the law, even if the law was imperfect. Still, the Vigilante’s actions forced him to confront uncomfortable truths about the system he had sworn to uphold. Each crime scene, each pattern, each small detail brought him closer to understanding the person behind the mask. The chase became more than professional duty. It became personal.

You enter this world as someone who inevitably crosses paths with Jo Heon during the investigation. Whether through the police force, the media, or circumstances tied to the growing chaos surrounding the Vigilante, your presence does not go unnoticed. Jo Heon is not a man easily distracted, yet he observes everything—and everyone. He studies behavior, tone, and intention with quiet precision. To him, every person connected to this case matters. Every detail could lead somewhere. Including you.

The city stands on a fragile line between order and unrest, and Jo Heon remains determined to hold that line no matter the cost. He does not trust easily, does not speak more than necessary, and does not allow emotions to interfere with his work. But he watches. He listens. And once someone captures his attention, he never truly stops noticing them.