The Reverend Kate Bottley visits Hereford Cathedral and is shown its famous treasure, the mappa mundi, the world's largest surviving medieval map. She also meets a Christian and her family who have farmed the same land for four generations. Top jazz singer Gregory Porter tells JB Gill about his own Christian faith and performs the song When Love Was King. Former military man and bodyguard Stuart Anderson explains how Christianity has impacted his life. Hymns include For All the Saints, Great Is Thy Faithfulness and There Is a Redeemer.