Grigor, a plain and guileless man, mockingly nicknamed Gringo, starts hearing an inner voice. This voice claims to be his true character, prompting him to avenge himself for the humiliations and violence done to him all the time. The man offers resistance,but could the temptations and the evil truth be resisted? The inner voice is heard no more after the crime is committed. Was Grigor the perpetrator? What a man he would become after that?