Hu Jun is China's second-generation test pilot and the captain of the group. "King of the Long Sky" focuses on the group of test pilots, telling the story of their life and death.

"A soldier has three lives, and life plus mission is the life of a soldier," says Hu Jun. "This is one of the most dangerous professions in peacetime," he says. "The true manifestation of human nature will detract from the hero, but will make the blood of the character more flesh and flesh"