Shackleton and Scott were men with a common goal - the South Pole. However, divisions between them grew as jealousy and intrigue intensified their rivalry. This intriguing documentary draws upon a collection of historical knowledge to investigate the social setting and psychology of these men who dramatically, and fatally, pushed the limits of human endurance.

In the depths of the Scottish winter, a bludgeoned body outside an old church unravels a dark mystery surrounding Saint Columba's glass book.