Ma Wai was a Company Commander of the People's Liberation Army, but due to the reduction of the army, he and his comrades were forced to work in a stable. One day, his cousin came to visit him and invited them to Guangdong to “do business” together. Upon their arrival, Wai's cousin was arrested for smuggling firearms, Wai and his fellows start off their tricky business of exchanging money in the black market and selling fake medicine. In order to get rich, they decided to sneak into Hong Kong, but they haven't the slightest idea about what lies ahead...