Pretty Little Liars: The Perfectionists 1x08 "Hook, Line and Booker" Season 1 Episode 8 Promo trailer - Mona, Ali and the Perfectionists concoct a plan to turn the tables on Dana Booker. Ali and Mona separately try to deduce how much they can trust Taylor as part of their team. Caitlin is left reeling when she finds out Jeremy may be keeping secrets of his own.