A passionate 26-year old BMX dirt jumper, Phineas Cooper, gets the chance of a lifetime to compete at the regional level to qualify for nationals. But his pursuit of triumph sours with a crash that knocks him out of commission. Determined to get back on track for the next major competition, he undergoes physical therapy for a couple months. In the meantime, he is ordered by cou...刚刚来到(dào )山洞(🚠)口，迎面跑来一人(rén )，跑(pǎo )得速度很(hěn )快，眼看两人(👪)就要撞上(🐨)了。