A crew of six men, led by explorer Tim Jarvis, is attemptING to follow in Shackleton's wake. Using exactly the same equipment and clothing used a century before, Jarvis and his crew take themselves beyond the point of no-return. Using their first-hand extreme experience measured against historical accounts and contemporary scientific, meteorological and medical analysis, they unlock the secrets of Shackleton's survival, measure themselves against his heroic feat -- or die in the process.