![](https://image.tmdb.org/t/p/original/zUpfkp0xz3mXvFjdn7h7l7nvxQG.jpg)
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Sergeant Tong is wracked with guilt after he unwittingly kills a young girl whilst capuring a criminal named Cheung. When the girl's sister is later kidnapped in a ploy to get Cheung released, Sergeant Tong vows to find and rescue her before she comes to harm.