Sau and Wan is the Hong Kong International Narcotics Detective. In time undercover operations, unfortunately cheated money to a drug and they wanted to arrest Hung, also hurt the undercover officers were killed. But the boss has a large number of cocaine will be shipped to Southeast Asia grounds to duo to bring information to Taiwan. Front Sau and Wan in the Taiwan International Division captain the horse called Nine female assistant

Oneday,  Sau and Wan suddenly met on the streets of Taipei, also witnessed by international drug traffickers Eda men killed, the other hand, the Wan for the order to defend itself spying, pretended to be a Hong Kong drug buyers. Finally, they destroyed the Group. Sau, Nine and WAN become a good friends.