Yu Chau is an undercover officer who has become so immersed in the triad world that he’s lost sight of his true allegiance. After unintentionally killing a friend during a mission, he retreats to a remote area to recover. When he comes back, he joins forces with colleagues Jim and Jackie to pursue a triad leader, only to discover a conspiracy involving top government officials. Yu Chau is once more confronted with the challenge of whether to act outside the law…