Black and White Underworld: Dark Alley

Five years ago, he watched his handler get killed with his own eyes.

Five years later, he returns to find the person who sold them out.

The police are after him, the underworld wants him dead, and every one of his former comrades wants him gone.

He has only one path: enter the dark alley and drag out the ghost.

But in the end, he discovers that...

the ghost is the person he trusts most.