In Hong Kong, a weapon dealer has a special computer chip, which is needed to build a secret missile. He is trying to sell it to a foreign goverment. The local secret police, the CIA and an enemy band is looking for him, but he has a very rich and influential man as his partner.
Two detectives who are up to their necks in trouble and in each other's face, as they try to shut down a drug-trafficking scheme that could be connected with international ties to organized crime. But in the midst of their investigation, innocent immigrant dock worker Luk Wan-Ting gets caught up in the mix when he witnesses the murder of an intelligence operative and is framed for the crime.