1/3. Polar explorer Tim Jarvis embarks on a mission to discover the story behind one of history's most famous survival stories - Ernest Shackleton's Endurance expedition.

2/3. In a replica wooden lifeboat with 100-year-old equipment, a team of six men battles the ocean in an attempt to find out what happened on Ernest Shackleton's Endurance expedition.

3/3. Following the sea crossing from Elephant Island, polar explorer Tim Jarvis must traverse the mountains of South Georgia to complete his re-enactment of Ernest Shackleton's expedition.