Hanna goes home and talks to her mom through the bathroom door. Ashley apologizes to Hanna. We see Ashley standing at the sink while the bath fills with water. She seems nervous and upset. Hanna worries that her mother is keeping a dangerous secret and is determined to protect her at all costs, which leads to an uncomfortable meeting with Detective Holbrook. A clue in Ali's things leads the Liars to a creepy mask maker, who takes a shine to Emily and may have ties to another Rosewood resident. Spencer and Toby continue their search into a painful chapter of Toby's past and Melissa returns to Rosewood. Meanwhile, after "A" targets Emily's mom, Pam, Aria makes a desperate plea of her mom, Ella. #PLL #PrettyLittleLiars