S5, E8: 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 Alison - the one person she is trying to avoid - Hanna retreats further into abusing alcohol and ends 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.