Pretty Little Liars

Based on Sara Shepard's Pretty Little Liars YA novels, the story centers on four friends—Spencer, Hanna, Aria, and Emily—whose tight-knit circle fractures after the disappearance of their charismatic leader, Alison. A year passes before they start receiving anonymous messages from someone asserting the alias 'A', vowing to reveal the girls' secrets — secrets they believed were buried with Alison.