Layer Cake (2004)
When a seemingly straight-forward drug deal goes awry, XXXX has to break his die-hard rules and turn up the heat, not only to outwit the old regime and come out on top, but to save his own skin... london, england, based on novel or book, drug smuggling, hitman, kidnapping, gangster, drug trafficking, ecstasy, cocaine, drug mule, mission of murder, murder, cafe, biting, rooftop, hostile, neo-noir, complex, crack head, bold, brisk