Two warriors in pursuit of a stolen sword and a notorious fugitive are led to an impetuous, physically-skilled, teenage nobleman's daughter, who is at a crossroads in her life.
Hong Kong cop Chan Ka-Kui returns, working with Interpol to track down and arrest an illegal weapons dealer. Chan later realizes that things are not as simple as they appear and soon finds himself to be a pawn of an organization posing as Russian intelligence.
Three childhood friends from the slums of Hong Kong flee to war-time Saigon after accidentally murdering a gang leader, but their troubles only escalate.