May and Toots, a couple in their sixties, travel south by train to visit their children and grandchildren in London. The pace and scale of the city overwhelms them immediately and the urban chaos is reflected in their children's lives: their son, Bobby, is constantly on the mobile phone arranging his next meeting; their daughter-in-law, Helen, has just opened a boutique and barks orders at the nanny before racing out the door to sell luxury knitwear to her peers. more