'The past will come back to haunt you' - this saying has never been more true than for Aria, Spencer, Hanna and Emily. As the girls try to pay tribute to Alison's memory, the four friends are faced with unresolved issues.
Aria has an unsettling encounter with Byron's old mistress, Meredith, Emily is forced to see Toby Cavanaugh in a new light, Spencer is reeling in the wake of someone with a vengeance, and Hanna is desperate to have her boyfriend forget the 'old' Hanna.
With 'A' taunting them every step of the way, can the girls forge ahead and leave the past behind? Show less