Mangal Singh is a dreaded dacoit of the Chambal valley who mercilessly loots people and kills them and has a reward of fifty thousand for his capture. Champa wants him to leave this life and get married to her. On the other side of the coin is Bhola, a village simpleton, extremely honest and religious, who is very poor and so is always scolded by his mother. Taking offense he decides to end his life and in the process is caught by Mangal Singh's aides, who take him to Mangal Singh.

When Mangal Singh comes to know that Bhola wanted to end his life due to poverty, he trades with him that as Mangal Singh's true identity is not known by the police, Bhola should become Mangal Singh, get caught deliberately and hang instead of him, whence the real Mangal Singh will collect the reward of fifty thousand from the government and give to Bhola's family. Bhola's lady love will not let him commit suicide and chides him for running after money but the police however have already recognized Bhola as dacoit Mangal Singh so what will eb Bhola's fate.