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.

Dave Heeley has decided that he wants to follow in the footsteps of renowned explorer and adventurer Sir Ranulph Fiennes and complete one of the toughest marathons in the world, the "Sevens" - seven marathons on seven continents in seven days. The only problem is that Dave is completely blind. 7 Days tells the heart-warming inspirational story of "Blind Dave's" triumph over adversity.