Presenter Kevin McCloud joins some truly extraordinary, brave and visionary people as they take the ultimate gamble to create the home of their dreams. Many are risking their life savings. Others are attempting the near-impossible, spurred on by sheer determination against the odds. There are moments of deep self-doubt, of terrible fatigue and utter despair. Unforeseen problems cause cash crises, violent arguments and desperate improvisation. But somehow these people keep going, determined to complete their architectural masterpieces. Will they succeed - or will their dreams remain just an unfinished pile of timber, concrete and brick? You are there to share in the triumph - or failure - and to experience the joy of those who beat the odds and create a truly breath-taking architectural masterpiece.