This is quite a fascinating documentary following the fate of a cinema that even John Waters said "shocked him". It wasn't always on the same site in Central London, but the "Scala" name quickly became a magnet for all those who didn't conform to the more mainstream - with their own behaviour and/or attitudes and/or taste in films. Using an astonishing amount of well researched actuality and some interviews with the folks who worked there or attended over the years, we learn of a place that offered a venue for any combination of the Bohemian, the decadent, the drugged up, boozed up, gay -…