Four young officers of the Hong Kong Police are joined together to fight against organised crime using all possible means, even if this would lead them to break the law… Their first assignment is to eliminate a gang of criminals who have stolen a shipload of explosives.

The search for her vanished brother Tsuyoshi leads Kaoru to the lonesome village Kozukata in the Japanese back-land. The locals react repelling to her, which the exception of the Chinese girl Sally. As her car breaks down Kaoru is trapped in the village; will she have to repay for something she has done in the past?