In 1942, World War II reached a stalemate. China was once completely blocked, and the only way to obtain supplies from the outside was the "Hump Route" flying over the Himalayas. Due to the treacherous and changeable weather along the way and the need to avoid Japanese fighter jets, this route is known as the "Death Route." American pilots risked their lives like moving ants, flying half way around the world to provide China with a steady stream of supplies, and also to supply Chennault's new team with war armaments. So that he can command the air force, launch a counterattack against the enemy, and usher in the turning point of World War II...