Pilgrimage: The Road to Santiago

Seven celebrities of differing faiths and beliefs experience an emotional journey on a pilgrimage in north Wales, a route linked by churches dedicated to Celtic early Christian saints. Eshaan Akbar, Amanda Lovett, Spencer Matthews, Christine McGuinness, Tom Rosenthal, Sonali Shah and Michaela Strachan begin their adventure at Flint Castle on the bank of the Dee Estuary.