Pretty Little Liars

What is its theme? The series revolves about the lives of 5 five girls, namely, Aria Montgomery, Spencer Hastings, Alison DiLaurentis, Hanna Marin, and Emily Fields. The clique crumbles following the alleged assassination of their head, Alison DiLaurentis. A year afterward, the separated pals come together as they start getting messages from an unexplained baddie