Stiletto

From publisher blurb: The year is 1947. When a crime boss unwittingly enlists the help of a denizen of Hell to further his plans, only the power of three ancient magical daggers can stop him. Stiletto is a short, system-agnostic adventure designed for a group of urban fantasy or horror characters. Includes NPC descriptions, a map of the final conflict area, seeds for further adventures, and suggestions for adapting the scenario to other settings.