خلاصه داستان : دوجین کثیف آنها هر لحظه بیداری را صرف تمرین، بازی، رقابت در خاک می کنند. نگاهی به زندگی اکتان بالای دوازده موتورسیکلت سوار حرفه ای آفرود در طاقت فرساترین، ترسناک ترین و باورنکردنی ترین مسیرها و مسیرهای روی کره زمین بیندازید...

They spend every waking moment training, playing and competing in the dirt and they wouldn’t have it any other way. Take a look into the lives of twelve professional off-road riders in some of the most grueling, gnarly and incredible tracks and trails on the planet. From fifth gear pinned across the harsh California desert, to the rough and deep sands of Belgium and Germany as Team USA prepare for the prestigious Motocross of Nations, to risking their lives jumping a moving train in California or dropping into a mega quarry in the United Kingdom. Witness these riders put it all on the line in their pursuit to being the best.