In 1940, war was raging and smoke filled the air. It was the most difficult time of the war of resistance.
As China's rear area, Yunnan is under tremendous pressure to resist the war. Song Lanzi is an ordinary Chinese girl in Songjia Village, Kunming, Yunnan. She hates war and longs for peace, but she admires the flying tiger warriors who fight the Japanese army in the sky. After an air battle, she rescued a foreign pilot who was parachuting. Destiny began to test this kind and strong Chinese girl.
One is a distinguished Japanese flying officer, the other is an American pilot, and the ordinary Chinese soldier who always protects her is her childhood sweetheart. What choice will she make between the enemies of her country and her family? In those war years, everything was so cruel!