Pretty Little Liars: The Perfectionists 1×10 Promo “Enter The Professor” Season Finale

Pretty Little Liars: The Perfectionists 1×10 “Enter The Professor” Season 1 Episode 10 Promo (Season Finale) – In the aftermath of a shocking event, Ali, Mona and the Perfectionists try to pick up the pieces of their lives. However, new information is uncovered which makes them question everything they think they know.