Numbri Aadmi is an action crime drama. The movie follows the story of a young man named Shankar (Mithun Chakraborty), whose father was killed by a criminal named Rana (Amrish Puri). Shankar grows up and becomes a modern day Robin Hood, who robs the rich and helps the poor. During one of his quests, Shankar learns that Rana is still alive, which reminds him of his father’s death. Shankar decides to avenge his father’s death and set the score right with Rana. Will Shankar succeed in his mission?