Josie d'Arby visits Bristol's 40th Balloon Fiesta and meets Christians making a difference in the city, including mayor Marvin Rees and a cleaner given a surprise gift by university students. Josie joins members of St Peter's Hospice, sharing its 40th birthday with the Balloon Fiesta, and takes to the skies for an unforgettable hot air balloon ride. She also hears from a Christian changing the lives of homeless people by converting shipping containers into homes. Hymns are from around the UK, including three from St Alban's Church in Bristol.