Carmen an old woman who lives with her alcoholic son guiremo and daughter jenny, works in susana's house a woman who thinks she is more powerful than her and mistreats her, susana has been in bad habits since her husband has left her and her son manuel to be with another woman and discovers he is having a baby with her, after seeing jenny and manuel in bed, she starts to go crazy against everyone, she accuses carmen jenny and guiremo for robbing her when she's about to cal the cops, carmen kills by stabbing her in the back with a knife