Lesley Fera

Old and new relationships are examined as the girls try to pay tribute to Alison's memory. But with A taunting them every step of the way can the girls leave the past behind?

The girls are trapped at school as a bad storm brews, and tensions run high. Plus, Byron leans on Ashley for advice on parenting as his relationship with Ella takes a bad turn.

Aria, Emily, Hanna and Spencer are reunited following a summer spent trying to recover from the traumatic events in Rosewood.

A new message from "A" sets the girls on edge; Emily's efforts to refocus on school are jeopardised when she recalls information from "that night."

Spencer learns a secret when her mother takes on Garrett as a client; Emily gets news about her English exam; Aria keeps tabs on Jenna by becoming her accompanist; Hanna reaches out to Lucas.

Hanna's visits with Mona do not sit well with Caleb; Aria dreads telling Ella that Byron is dating Meredith; Spencer seeks the truth about Melissa.