Mar Mitenge is an action drama. The movie follows the story of two brothers - Ram (Jeetendra) and Lakshman (Mithun Chakraborty), who were separated from their parents in childhood, and grew under the care of a widowed woman, along with her grandson Akbar (Asrani). One day, the brothers come across a blind couple, and recognize them as their long lost parents, who were blinded by a dreaded man, Ajit Singh (Amrish Puri). The brothers vow revenge from Ajit Singh, but Ajit Singh abducts their entire family. Will the brothers be able to save their family from Ajit Singh and set scores right with him?