Pedro's mom has just died, reason that makes him go to Luvina in search of Tanilo, who recites the dead peolpe's messages in verse. “Hierba mala”, wild to the death, wants his powerful partner and murderer to be avenged, risking the child's life, who, between whispers and bullets, only wishes to acomplish his mother's last will.

Rafael is an elderly peasant who decides to write the story of his life as what he describes like a movie screenplay. The desire to make his film leads him to betray his only friend and leave everything to seek financial support in the capital city. Evilness is the story of a man who embraces loneliness and lack of hope.