When counterfeit bills appear in the capital city of the Song Dynasty, a government department known as the Six Panels appoints an undercover agent, Coldblood, to infiltrate a special force called the Divine Constabulary to sabotage their investigations. Coldblood soon befriends other constables Life Snatcher and Iron Hands as well as the beautiful Emotionless and together they soon discover the Divine Constabulary's real plans -- not to flood the capital with fake money, but with a powerful army of the undead... (Original Title - The Four)