El héroe desconocido (1981)

An outcast, Rodolfo Martínez, whom no one loves and whom everyone despises and undervalues ​​in his town of Valle Verde, in Mexico, decides to change his luck. He decides to invent that he has a very important ancestor and that is why he deserves a statue that will remind future generations of everything he has done. Rodolfo doesn't care what happens, all he wants is to stop being a failure and for people to see him as an equal.