Several years after the events of ''A Better Tomorrow'', Sung Tse-ho (Ti Lung) is offered early parole by the police in exchange for spying on his former boss and mentor, Lung Sei (Dean Shek), who is suspected of heading a counterfeiting operation. Inspector Wu (Lau Siu-ming), the leader of the crime task force, wants to mark his retirement with the capture of a high profile criminal like Lung.