The Fuji Mountain Race, heralded as Japan's most difficult climbing race, is a 3,000-metre ascent over 21 kilometres of tarmac, gravel and volcanic rock. In 2011, Chris Pavey, a weekend runner from Brisbane, took on this challenge to raise money for charity, and in memory of his late sister in law, Christina. Running in solidarity with a nation shaken to its core by the worst earthquake and tsunami experienced in modern history, Chris confronts his own inner demons of self-doubt. Will people support his cause? Can he reach his fundraising target? Will his body hold strong against the injuries...