Lahoo Ke Do Rang is about customs officer Bharat Srivastav who lives a middle-class life with his sister Rajni, wife Sangita and a small son. Rajni is soon to get married to Inspector Gautam. He is known for his unorthodox methods of apprehending smugglers, and it is these methods that land him in trouble with the Shikari brothers. Bharat decides to oppose them, and as a result the Shikari brothers recruit false eye-witnesses, pay them to give false testimonies and get the complaint dismissed. When Bharat persists, his family is abducted and subsequently killed. Bharat manages to kill some of the culprits, however, is arrested, found guilty and sentenced to life imprisonment. On the way to prison, the vehicle meets with an accident, killing everyone on board. Relieved at the death of their nemesis, the Shikari brothers celebrate only to find out that they now have a new unknown enemy, an enemy who will kill them one by one for an unknown reason.