Subway is an action crime thriller drama that revolves around small part-time highway robbers (Vishal, Hoshiyar and Raja) who commit petty thefts to earn fast money and spend the money on partying. One day they set out to steal a car but accidently kidnap a businessman who is found died in the boot space of the car abducted by the real car owners. The businessman offers them to let him go in return of some money but they get trapped in the stronghold of a retired dacoit, Baghi Bhan Singh (Ravi Shukla). Once the confusion is sorted out it is revealed that the businessman was not kidnapped by an extortion gang but by his own brother. Thus begins a cat and mouse game between Baghi Bhan Singh and the real kidnappers. How do Vishal, Hoshiyar and Raja get out of this mess forms the crux of this intriguing story.