Alison, Spencer, Aria, Hanna and Emily are four best friends. But when Ali goes missing on thier slumber party all hell breaks loose. The girls get mysterious text messages of a blocked number, 'A'. They are pretty sure Ali is 'A' until Emily's friend's mom finds Ali's decased body in her backyard. Now 'A' has gotten more mysterious then ever, because he, or she knows all thier secrets that only Ali knew. Little do they know that Ali's 'murderer' will strike agian. What will the Pretty Little Liars do when they find themselves sinking deeper into 'A's plan?
6 parts