Around 14 years ago, Brad and his little brother Luke were left by their father. They eventually found themselves in New York City, in the biggest slum in the world, The Five Points. There they met Gene McDowell, the founder of the Grave Diggers, a gang, who helped them. Now Brad is working for the Grave Diggers as their hitman known as "Grim Reaper" using a gunknife, while Luke don't know about his job and is searching information for his father Edward King.