Gomorrah,” the gritty Italo pic hailed as the most realistic Mafia movie ever made, is being developed into a 12-part TV series by Domenico Procacci’s Fandango in tandem with Cattleya and Rupert Murdoch’s Sky Italia.

Roberto Saviano, who wrote the bestselling expose of the Neapolitan Camorra syndicate that was adapted into a movie by Matteo Garrone, will work on the TV project, expected to start shooting a year from now.

“When we made a movie from Saviano’s book, the screenwriters had to make many painful choices,” Procacci said. “Now, the opportunity to develop it into 12 episodes, with a much broader narrative arc, will give us a chance to recoup lots of the material we had been forced to scrap.”

No director or cast are yet attached to this multithreaded project, which should have major international appeal. Garrone’s film took the Cannes grand jury prize in 2008 and was a global arthouse hit.

The “Gomorrah” TV project will mark the second mob-themed collaboration between Cattleya and Sky Italia following hit TV skein “Crime Novel,” which is also based on a book subsequently adapted into a movie. The soph season of “Crime Novel” bowed to stellar ratings in Italy and has been sold to 40 countries, including HBO in the U.S.