When Luo Xue runs away in anger from her boyfriend, she unwittingly stumbles upon a murder case committed by a pair of harmless-looking young boys and girls. Fearing that word will get out, the secretive pair imprison Luo Xue in the attic. As Luo Xue's "best friend" Su Wen intervenes, things become more and more unpredictable and the truth gradually emerges
The film tells the touching story of Yin Lingzhi, a young girl from a mountain village who experienced the severe test of the War of Resistance Against Japanese Aggression and the War of Liberation, and eventually grew into a staunch communist fighter and sacrificed her life for it.
