It is 1944. Mo Dexian is a craftsman who fled the fall of Nanjing with his family and found a quiet life in the mountain town of Gezhi. Then a small Japanese reconnaissance squad stumbles into the town and begins killing. Mo Dexian is not a soldier. Neither is anyone else in Gezhi. But they are cornered…and they slowly rise.
A special operations team headed by elite pilots are ordered to test new fighter jets. Test flight after test flight, they challenge the limits of the sky and themselves.