Spencer is finally ready to talk, but Emily is not so ready to accept what she has to say. Will she heed Spencer's warnings or will Emily go off to find her own answers down a path "A" has designed for her? Hanna, on the other hand, is preoccupied with helping her mother after Ashley is involved in a hit-n-run accident. Now having a new secret to hide, Hanna wonders if "A" had something to do with it after all. With Aria, Emily, Hanna and Spencer are now really afraid does "A" have them right where they want them?
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.