Liang Yongjun, Si Wenbin, and Zhou Ruiqi, three post-90s who grew up in completely different environments and mentalities, gathered in the mountain troops for extreme training. In order to temper the mountain brigade, Li Tie, deputy captain of the special brigade, led the team to play armed bandits and conduct practical exercises. Liang Yongjun was recognized by Xiao Jun, the commander of the reconnaissance company, for his excellent qualities and was transferred to the reconnaissance company. He formed a fully digital special operations team with Si Wenbin, Zhou Ruiqi and other soldiers. In the reconnaissance company, Liang Yongjun accidentally reunited with his ex-girlfriend Lin Yuqing, who came to take over. During the arduous training, Liang Yongjun established a deep friendship with Si Wenbin, Zhou Ruiqi and other soldiers. During the big exercise, Liang Yongjun was proud of the enemy and the mountain brigade suffered the first major defeat since its establishment. The brigade commander built a wall of shame in the brigade compound. With the help of Da Li and others, Liang Yongjun and others overcame difficulties and grew rapidly. The Little Leopard Team ushered in an opportunity to avenge their shame. Liang Yongjun led the Little Leopard Team to the military district competition field again with the belief of winning. Under the technical support of Lin Yuqing, Liang Yongjun led the Leopard team to defeat the enemy. The Mountain Brigade shame wall was changed to the wall of honor, and the Little Leopard team was rebuilt and entrusted with important tasks.