Li Yunlong, commander of the Independent Regiment of the 386th Brigade of the 129th Division, is a brash young man who dares to think and act and refuses to follow the rules. Hot-tempered and straightforward, he leads the entire regiment to fight with fearless abandon. Under his command, the seemingly invincible Sakata Company, Yamazaki Battalion, and Yamamoto Unit are defeated one after another. Li Yunlong's fame soars, but he is also demoted for repeatedly breaking the rules. During the War of Resistance Against Japan, he and Chu Yunfei, commander of the Nationalist Army's 358th Regiment, admire one another, yet are forced to face off at the Huaihai Campaign, where both are seriously wounded. While recovering, Li Yunlong falls for Tian Yu, a kind and charming nurse, and the two revolutionary comrades become a couple. Over the following decades, the couple, their loved ones, and their comrades experience the country's sweeping changes together...