This Ealing Studios classic stars Donald Houston, Alec Guinness, Joyce Grenfell and Moira Lister. Two Welsh miners win a day out in London, with a journalist acting as their guide. But are they ready for the perils of ‘The Smoke’ and is London ready for two lads from the Valleys? Following a local competition, David  and Tom earn a cash prize as well as a day out in London which includes tickets to a rugby match at Twickenham. However, when they fail to meet with newspaper reporter Mr. Whimple , the pair find themselves in various scrapes, including a prolonged pub crawl and a meeting in a pawn shop with scam artist Jo .