The DIY SOS team descend on Swansea to tackle one of their biggest challenges to date, as they build a centre and supported housing for young people in care and leaving care. This special programme also shares the stories from some of Wales' most vulnerable young people as well as the founder of the Roots Foundation Wales, a charity that supports young people in and leaving care. The team, with the help of hundreds of volunteers, build a bespoke new centre and transitional flats from the ground up for Roots, a charity, part-funded by BBC Children in Need despite storms and a tight 11-day build schedule.