Endurance athlete Chelsey Magness has experienced some of the toughest adventure events in the world... but perhaps none as challenging as becoming a mother. After losing one twin during birth and beginning to raise the other, she returns to where it all began: the Patagonian Expedition Race – one of the most rugged and grueling expedition races on the planet. Pushing her mind, body, and spirit to their limits, she races across the Patagonian wilderness for seven days in an attempt to beat the environment, their competition, and her grief.