What if Mona wasn't A she just pretended to be to save Hanna? What if Ali really is dead? What if Spencer dad was involved with Toby's mother death? Or even Aria finding a whole new direction? And Emily has a secret that could ruin their friendship.

Aria and Ezra have decided its time to tell her parents and Rosewood everything, but is she making the right desision. Aria's world is thrown upside down when Ezra revels some shocking news but can she handle it!

PART FOUR OF THE SIXTH LIAR!!!!! A has taken over. Things are getting worse by the second. People are getting murdered, secrets are being spilt, and relationships are being torn apart. I don't know how I will be able to survive. A can't win. I can't stand seeing the people I love being hurt anymore. This is the final game. Kisses, ~Kendall Hastings.

Four girls whose clique falls apart after the disappearance of their queen bee, Alison DiLaurentis. One year later, they begin receiving messages from a mysterious figure using the name "A" who threatens to expose their secrets. At first they think it's Alison herself, but after she is found dead, the girls realize that someone else knows their secrets, â€" including long-hidden ones they thought only Alison knew.