Hanna’s insecurities and current situation continue to plague her when Alison moves into the Marin house while her Dad is out of town. Now forced to live with the one person she is trying to avoid, Hanna retreats further into abusing alcohol and ends... (more) up in a sticky situation. Meanwhile, Aria drops the ball on her maid of honor duties when Ella returns to town to plan her wedding and Spencer and Emily pursue a dangerous lead, trying to solve the mystery of the dead girl in Alison’s grave.