A girl who is engaged leaves the nightclub where she works. On her way home, she is the only witness of a horrible murder. Unfortunately for her, the killer has seen her. Since then, her life starts to turn into a real nightmare, because the killer is determined to eliminate her.
Lucas, shy and repressed, and sanctimonious Enriqueta are parents of nine children, so he decide to convince her to take the contraceptive pill.
