Nick Hewer, Laurence Llewelyn-Bowen, Scarlett Moffatt, Monty Panesar, Louisa Clein and Shazia Mirza are on their final day in Londonderry, when the delayed seventh participant arrives. Jetting in from the Paralympics in Japan, table tennis star Will Bayley completes the pilgrim band. Eventually they leave Northern Ireland behind them and set sail across the North Channel to western Scotland and join the Kintyre Way. Life on the pilgrimage gets tough as the celebrities are challenged both physically and spiritually, struggling with lack of sleep and difficult questions about faith