Desc: 7 Days: The Story of Blind Dave Heeley: Directed by Dominic Higgins, Ian Higgins. With James Phelps, Oliver Phelps, Finty Williams, Carl Wharton. Dave Heeley has decided to run one of the toughest marathons in the world, the "Sevens" - 7 marathons on 7 continents in 7 days. The only problem is that Dave is completely blind.