The life-changing epiphany that would take Christian Lewis on a 12,000-mile journey on foot from despair to joy via an uninhabited Scottish island happened on a surfboard.
While struggling with depression and facing homelessness, the former soldier would find respite from his suicidal thoughts by surfing at a nearby beach.
And it was while riding the waves that he had a flash of inspiration to attempt to walk the entire coastline of the UK, a challenge that so far has taken him nearly six years.
