Airman Gao Zhihang (played by Zhu Yawen) accidentally met the Russian beauty Ge Lier (played by Guo Yina) while performing a mission assigned by Zhang Xueliang (played by Liu Jin), and the two fell in love at first sight. After the September 18th Incident, Zhang Xueliang was trapped in Chiang Kai-shek's non-resistance order of "pacifying the country before resisting foreign aggression", and Gao Zhihang divorced Ge Lier because the Air Force could not have foreign spouses. After the divorce, Ge Lier came to Gao's hometown Tonghua, Jilin with her pregnancy, and has not been heard from since. At this time, Gao Zhihang participated in the Battle of Songhu. The Chinese Air Force severely damaged the Japanese army. Gao Zhihang was also regarded as a national hero for his bravery in combat. Afterwards, Gao Zhihang was ordered to go to the Soviet Union to receive a batch of new aircraft and return to China. Unexpectedly, he was attacked by Japanese invaders on the way. Gao Zhihang dragged the injured war eagle to fight with the enemy in the air, and finally died for his country. After Gao Zhihang's death, the leaders of the Kuomintang and the Communist Party spoke highly of him...