In Rosewood Pennsylvania four stunningly beautiful girls are haunted by a very ugly past. Spencer Aria Hanna & Emily want nothing more than to forget Alison Di Laurentis their former best friend who tried to ruin their lives. But someone refuses to let her memory die. A is still out there lurking in the shadows & digging up the pretty little liars' newest secrets. Emily's reconnecting with an old flame one baby step at a time. But is she headed toward true love or another bundle of heartache? Spencer's learning about the highs & lows of campus life on a trip to Princeton. Aria's seeing a whole new side to Noel's dad
- & it could drive a wedge between her & Noel. & for better or worse Hanna's getting in touch with her inner A. Secret by secret lie by lie the girls get tangled in A's dangerous web. A knows about everything from their tiniest transgressions to the awful incident in Jamaica. Soon A will have enough ammunition to pull the trigger & end the pretty little liars once & for all...