The series describes the growth process of an ace army over a period of forty years. Through the characterization of individuals, it creates a new generation of soldiers with soul, ability, courage and morality. It witnesses the transformation of the country's heavy weapons from a small perspective, and depicts the hope and future of military and national defense in bold strokes. Against the backdrop of strengthening the military, it is a passionate hymn to the military spirit of our army in the new era.