Josie d'Arby celebrates Advent by following the journey of a Christmas tree from a Devon forest to a village church, while its farmers share their own deeply held Christian faith. In Plymouth, a church minister with cancer describes how God is helping him look forward to Christmas. JB Gill meets B Positive, a new choir founded by the MOBO Awards and the NHS to encourage people from all different backgrounds to give blood, and he donates his own for the first time.Songwriter Matt Redman performs a Christmas song - How Far, while the Hereford Cathedral Choristers sing The Truth From Above. Plus there are hymns and carols both old and new, including Hills of the North Rejoice, Christ Be Our Light, O Come O Come Emmanuel, Here I Am To Worship and The First Nowell.