It is 1906, and in New York City, the Italian crime group known as the Black Hans is on a spree: kidnapping, extortion, arson. Detective Isaac Bell of the Van Dorn Agency is hired to form a special "Black Hand Squad," but the gangsters appear to be everywhere--so much so that Bell begins to wonder if there are imitators, croomonals using the name for the terror effect. And then the murders begi…