A cop who loses his partner in a shoot-out with gun smugglers goes on a mission to catch them. In order to get closer to the leaders of the ring he joins forces with an undercover cop who's working as a gangster hitman. They use all means of excessive force to find them.
Chen returns to his school when he finds out that his martial arts teacher has died. When he learns that his school students are harassed by some hooligans, he gears himself up to save them.
Tsui escapes from a super soldier project and plans to lead a peaceful life. However, when his former comrades go on a violent crime spree, he takes it upon himself to end their reign of terror.
