The film tells the story of a detective who has a harsh experience in his life away from work where he must go to Thailand and Macao to sell a large amount of drugs. In order to fulfill that mission, the policeman must work with one of the smartest interrogators in the Hong Kong Narcotics Control Bureau and his subordinate goes to Thailand. The three people are engaged in their mission to reach what they want through the most dangerous situations in order to know the crime leader in that region.
