pretty little liars

is about this girl named Alison goes missing for a year but Alison did not come back but Spencer killed Alison and the other three girls think that Alison might kill herself but instead it was Spencer or Alison twin sister courtney may killed Alison but one year has gone all four girls are in love with a boy and a girl and in season 25 Alison came back alive and the girls think that she might be dead or alive. the girls think that Alison is alive all along and did not tell the girls what happened to Alison on the night Alison go missing for a year and did not come back