Parker Schnabel and his friends pay tribute to the legends before them and attempt the Klondike Trail of 1897. Not only is it 600 miles of mountains, lakes and rivers, but leaving late in the season means the winter may derail their plans.

With 375 miles to go, the journey takes an unexpected turn when Parker falls into freezing water and jeopardizes the entire expedition. Then, after the toughest adventure of their lives they relive what happened on the trail and share untold stories.