Midnight Express in Orient.

Married man David and good friend Ho take a vacation together in Shenzhen, David meets a young lady at a night club, whose partner robbed him, Ho in order to save David accidentally killed the girl and her partner, the two decided to run. They took a ride with a truck, hoping to escape to Vietam. Ho asked his Hong Kong girlfriend Joan to help, Joan meets with Ho in China with money, not expecting David's new girlfriend Miu Ying to steal it.