When Emily Pollard receives an invoice from HMRC for two million pounds, she asks her nephew, Michael and his friend, Jonathan, to work with a team of private detectives and find out what is going on at the mansion she lets to a company. Meanwhile, wise-cracking Jonathan, a university lecturer emerging from an acrimonious divorce, meets Lisa in a pub and she offers to pluck him from obscurity by adding him to the 'casual cast' of her PR video company,...