Bear Grylls invites MMA fighter turned actress, Gina Carano, on a journey across the Dolomite mountains of Italy. Gina is tested from the outset as the two are lowered onto a mountain peak to begin their epic journey. Intensity grows as they navigate the jagged peaks and are forced onto a ledge to retrieve a barrel 200 feet in the air. But when they face the biggest rappel in show history, Carano walks to the edge of completely shutting down.