In the 1930s, a Chinese People's Volunteer Army brigade arrives at the revolutionary town of Longgang in central China. Inspired by the Red Army, a young farm boy, Liang Mancang, grows from a children's brigade member into a revered young soldier. Commander Shi personally hoists him onto a warhorse, guiding him toward the call of the revolution... After the founding of the People's Republic of China, Mancang joined the Chinese People's Volunteer Army, crossing the Yalu River to serve abroad. Silently, he supports an orphan, Xia Husheng, from Longgang. Encouraged by Mancang, Husheng joins the Young Pioneers. As a new era dawns, Liang Mancang returns to his hometown under a pseudonym, establishing the " Hongwa Library," influencing generations of village children. Wei Shuhuai, a young man who grew up beside Grandpa Liang, returns to his hometown after college, pouring his efforts into the mission to eradicate poverty. With the nation's initiative to honor retired military personnel, many long-forgotten commendations and medals unveil themselves. The distant mountain lights cast their glow, revealing the noble spirit of an unsung hero...