As part of the 2013 appeal, Nick Knowles and the team head to Peterborough to help Children in Need-funded organisation Little Miracles, which supports youngsters with disabilities and life-limiting illnesses and their families. However, whereas Mark, Chris, Julian and Billy normally renovate an existing property, for the first time they are knocking down a building and reconstructing it from the ground up. Oh, and they've only got 9 days to do it...