After joining the army, the Li ethnic girl Amei was assigned to work in her hometown. While writing a letter to her brother, memories of the past resurfaced: In the old society, one day, she followed her brother to the mountains, and with the help of an old man, they hunted a leopard. Amei noticed a red five-star carved on the old man's bow handle and asked about its origin. The old man said it was a treasure given to him by the Red Army and told her that the Red Army would soon return. Amei sang a song longing for the Liberation Army, which was overheard by the matriarch Aoya, who accused her of singing rebellious songs and ordered her son Fu San to beat her. Amei's brother stepped in to stop them, angering Aoya, who conspired with Fu San to sell him into conscription. This was overheard by Amei's mother, who was forced to work as a laborer in Aoya's household. She quickly warned her son to flee. After her brother left, Aoya burned down Amei's home, brutally beat her mother, and threw her into the Wanquan River. Amei was forced to take her mother's place as a laborer, but she continued to sing songs yearning for the Liberation Army. Aoya threatened to cut out her tongue, but Amei resisted fiercely and was knocked unconscious by Fu San before being abandoned in the deep mountains. The old man rescued Amei and guided her to find the Liberation Army. Upon learning that the Liberation Army was coming to the Li village, Fu San and Aoya hastily fled. On the way, they encountered Amei, who killed Aoya with a stone but was choked unconscious by Fu San. When she awoke, the Liberation Army stood before her, and Fu San had been captured... Amei's thoughts returned from the past to the present. In her letter, she told her brother that the Party had given her a golden voice, and she would forever sing of the Party's kindness.