I was initially quite sceptical about this. It seemed quite artificial to pigeon-hole people into cinematic equivalents of socio-economic groupings. Actually, though, once I got my head around it, it worked quite well at providing an observational template for a class system that resonated rather better than I was expecting. It all centres around "Paula" (Fine Sendel). Now she is merely an unremarkable looking "supporting character" but that is so much better than being just about everyone else in this drama and what's next for her could lead to her elevation to "lead". If only she can learn t...