When the US-Japan War broke out, 14-year-old Qingtai fled with his young sister. When they arrived at the air-raid shelter, their mother was seriously injured and died soon after. The two siblings have lived a life of dependence on each other since then. They had to rely on their mother's sisters. Even though they gave all their belongings to their aunt, when the food ran out, they felt more and more like a dependent. Qingtai decided to take his sister away and live alone. Life in the smoke of the fire was not easy. Qingtai stole food everywhere for his sister, but his sister was still severely malnourished...