Thakur Pratap Singh's son was kidnapped by Jaggu Daku who reared him up as Shera Daku with a revengeful mind to get Thakur killed at the hands of his own son.
Shankar, one of the associates of Jaggu knew this secret. In order to get hold of Thakur's wealth, he induced Ajeet to impersonate the lost child of Thakur. He made birth symbol on the shoulder of Ajeet resembling to that of Thakur's kidnapped son.
Ajeet joined Thakur as a servant and often tried to expose the birth symbol on his shoulder. One day by chance Thakur saw the symbol and Ajeet was accepted in the family as the lost child. Though Ajeet got hold of thakur's property his conscious began to bite him for doing wrong. He vowed to trace out the lost child of Thakur and restore him to the family. Through Shankar he came to know that Shera, son of Jaggu Daku was the lost child of Thakur.
Ajeet went to the hideouts of the dacoits and met Shera at his own life's risk. He revealed to Shera that he was the Kidnapped child of Thakur. Shera did not believe him and got him arrested. When Thakur came to know of Ajeet's arrest he went to the dacoits den and was arrested.
The tussle between the father and the son ensued. Jagga ordered Shera to kill Thakur and Ajeet. Shera raised his gun but his hands shivered. He could not kill Thakur and Ajeet. He requested Jagga to let Thakur and Ajeet go. Jagga consented but planned to kill both on the way.
Synopsis credit: https://muvyz.com/moviepage/gv443691#