Maybe Montreal during the Rizzuto era. It was said that Vito was the only one who could put an end to the bloody biker wars, it would include every gang in the city, plus a different country with a different culture.
A Rizzuto movie would be great! We'd have to wait awhile until the whole situation in Montreal is over and he find out exactly what happened. Imagine documenting his rise in the Bonanno family, taking over in Canada and having all the gangs come together. Then his family's decline when he goes to prison, and his father and son being killed. Then him being released, and taking back control and getting revenge.
That story is more interesting than anything fictional you could come up with.
