Li Zhengyi, a retired mountain eagle captain, lives in seclusion in southern Yunnan. On a rainy night, he rescues Xu Jinsi, a geologist who holds border secrets. He is actually involved in an old case of sacrificing his comrades, and is framed by the criminal group Tiger Lord and wanted. He gathered his former comrades to reorganize his team, broke into Ai Lao, fought against the enemy, and explored the infinite. He defeated the evil forces with his flesh and blood, uncovered the inner ghost, and protected the mountains and rivers on the southern Yunnan border with iron and blood!
