All of Rosewood wants to know who killed Alison - and the names Aria, Emily, Hanna and Spencer are on everyone's lips. Forced to move their friendship underground and to meet with a therapist, the girls feel utterly alone. Is no place safe from the watchful eye of "A"? With parental and romantic relationships on the rocks, the four friends consider revealing their secret, further straining their bond. But as the mystery deepens, the body count increases, and the texts from "A" grow ever more menacing, the girls need each other more than ever. Shocks and surprises abound in all 25 Season Two episodes of ABC Family's addictive series, based on Sara Shepard's best-selling books.