In a future where endurance is the only currency, 100 teenage boys are forced into a grueling march with no finish line and no second chances. Maintaining a steady four-mile-per-hour pace is the difference between life and a sudden, violent end at the hands of military guards. As the miles stack up and their numbers dwindle, the physical agony gives way to a raw, psychological breakdown, turning former strangers into desperate allies in a race where only one can survive to claim his heart’s desire.