As the finish line nears, six contestants are offered an irresistible ultimatum that could see them fly home before getting their share of the prize pot. Then comes the most extravagant temptation yet - the chance to stay at an opulent mansion, complete with fine dining and every comfort they've been denied since the trek began. Finally, they make it to the end of the trek - where one last temptation awaits. Only then do they find out how much their journey has really cost.