The story of '12th Fail' is centered around Manoj Kumar Sharma. His journey from facing failure in the 12th grade to achieving great success is quite inspiring. He had to deal with various challenges like financial constraints, academic pressure, and the stigma of failure. But through his hard work, self - belief, and the right guidance, he was able to turn his life around. The movie aims to show his story as an example of how one can overcome seemingly insurmountable obstacles.