Sung Tse-ho joins an international counterfeit syndicate after his early release from prison. He and his brother, Tse-kit, is missioned by the police to collect evidence of the counterfeit activities of Lung's Ship Building Company. Ko Ying Pui, assistant of Lung, is in fact the man at the helm. Crooked Ko plans to kill Lung and take over hsi shipyard to serve hsi own purpose. In order to save the innocent, Tse-ho and Tse-kit escort Lung to New York and leave him under the care of Ken. Ken was a killer who has turned over a new leaf and leads a new life in New York. Lung is still in danger even though Ken fearlessly fights offthe killers sent by Ko Ying Pui. A feeling of ethics and friendship makes Ken abandon his family and restaurant business to take Lung back to Hong Kong and deal with Ko. When Ko discovers Tse-kit is an undercover from the police, he commands Tse-ho to kill his own brother. Tse-ho is forced to shoot Tse-kit who escapes wounded. Tse-hi persuades Tse-kit to retreat as he is in great danger but Tse-kit firmly refuses......