Revenge series 3/4 Pandora's twin sister died because of the people who caused her suffering and bullied her. Clementine, Pandora's twin sister, was beaten and mistreated, leading to her demise. Because of this, Pandora will enter to her sister's school. She will pretend to be Celine in order to seek revenge and make them experience what Celine went through at their hands. She will not stop until she takes their lives. So be prepared for the return of Pandora Celine Acosta as Clementine Acosta. Start hiding. Because Pandora will not leave you alone. She will take your life just like what you did to her sister.