This is actually quite an old movie, which has been subject to some critical acclaim. It is a very typical British movie - sedate pace of narration, nice locales, strong accents, and people drinking tea all the time!
The story is all about a young girl - she's a school student who comes out during her lunch breaks to offer people on the street her 'company', in exchange for money. One day, she happens to ask this well-dressed, respectable looking man if he's interested. He takes her to his apartment, gives her lunch, talks to her and gives her the money - all without even touching ....