From the editor's webpage
Noir stories of betrayal, murder and deceit
With Sporchi Segreti noir / hard boiled stories in the best tradition of Raymond Chandler, James Ellroy and Dashiell Hammett are created. Corruption, betrayal, murder and deceit are framed by a subjective camera in the point of view of a single protagonist looking for truth.
Default game setting is "your city, a week ago". So, according with the author of the game, the italian edition of Dirty Secrets has some changes in rules in order to adapt to italian society.