Pretty Little Liars

Set in the small town of Rosewood, Pennsylvania, the series follows the lives of six girls, Spencer Hastings, Aria Montgomery, Hanna Marin, Alison DiLaurentis, Emily Fields and Lauren McQueen, whose clique falls apart after the alleged murder of their leader, Alison DiLaurentis. One year later, the estranged friends are reunited as they begin receiving messages from a mysterious villain named "A" who threatens and tortures them for the mistakes they have made before and after Alison was alive. At first, they think it is Alison herself, but after her body is found, the girls realize that someone else is planning on ruining their lives.