Should he break through the difficulties and obstacles to pursue his dream of being a soldier, or should he live a life that ordinary people should live step by step? By chance, Liu Yi met a female soldier named Duanmu Xiaxue in the recruit company. However, due to an accident, a misunderstanding occurred between them and she disappeared. Liu Yi suffered another unforeseen disaster and broke his left leg. Just when Liu Yi was disheartened, she appeared, which triggered an unexplainable relationship between her and Liu Yi. When Liu Yi got her help and was about to confess to her, she disappeared again. Country F in the South China Sea of our country has been continuously encroaching on our territory. In order to combat the arrogance of country F, our naval forces immediately attacked, but were blocked by country M. They decided to send the most elite air defense troops to shoot down the invading aircraft of country M. Let's see how Liu Yi's company rose from the trough to become the first air defense company. She appeared again in front of First Class Gong and Tigan, and at the same time the real all-out war came. Faced with a huge mission and facing a hail of bullets, how did he interpret the words PLA soldier?