A story depicting the harrowing life of Lu Yixin, one of the orphans left behind in China. Katsuo Matsumoto (age 7), the son of a family in a Manchurian settlement, was living in Manchuria when his family and fellow villagers were massacred during a Soviet military raid, and he was separated from his younger sister. Katsuo was fortunate enough to survive and was taken in by Lu Dezhi, a kind-hearted Chinese teacher. However, because he was Japanese, Katsuo faced severe discrimination and had t...