Katherine Jenkins joins a Christian retreat walk. Sean Fletcher meets Rev Richard Coles, who talks about his struggles with mental health.

Claire McCollum is in Dungannon, County Tyrone, as she introduces music and inspirational stories of faith from across Ireland. She takes to the sea on a tall ship for a voyage designed to bring together teenagers from both sides of the border. Sean Fletcher discovers more about the devastating Irish famine 170 years ago and how a small group of Quakers launched an enormous relief effort. And there's a special performance from Northern Irish singer-songwriter Nathan Jess.