After lying to Alison and Jason about Charles, Kenneth comes clean about the family's connection to the young boy. While he won't give much detail about Charles' past, he say's enough to give the PLLs a clue of where to look for the missing pieces - Radley Sanitarium. With Radley now closed and the files shipped off to be shredded, the girls must act fast before all traces of Charles' past disappear. Meanwhile, Caleb's protective nature starts to pinch Hanna, and Spencer seeks a remedy for her sleeping issues.
Never trust a pretty girl with an ugly secret. Gossip thrives amid the Mercedes-Benz, mega mansions, and perfectly manicured hedges in the exclusive town of Rosewood, Pennsylvania. Everyone has something to hide. Based off the book series of the same name, the series follows four estranged best friends Spencer, Hanna, Aria, and Emily who are reunited after their best friend and queen bee of the group, Alison, goes missing only to discover they are receiving messages from an anonymous "A" who knows all their secrets.