Set in the small town of Rosewood, the series follows the life of Cara Fenton, whose clique falls apart after the disappearance of their leader, Alison DiLaurentis.
One year later, she reunites with her friends as they begin receiving messages from a mysterious figure named "A", who threatens to expose their deepest secrets, including ones they thought only Alison knew. At first, they think it's Alison herself, but after her body is found, the girls realise that someone else is planning on ruining their lives.
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Emily Fields has no plans to return to her hometown of Rosewood, but that changes after she gets a letter from Alison DiLaurentis. Love is a strong enough incentive for her to go back, but things are different now. Emily is harboring secrets that none of her loved ones know about. Starts relatively canon (with a few tweaks) with the plot in season 6B, but has some major twists. Seriously, sign your permission slip for this feels trip. It's a bumpy ride.