Aria, Emily, Hanna and Spencer are on the quest for answers of what Alison knew before she died and they might have just gotten a big lead when someone from Alison’s past appears. Duncan might hold the key to all of the girls’ answers, but can they trust him to let down their guard?
Trust issues and feelings of guilt emerge at the town’s annual father-daughter dance, where one dad is a no-show. Elsewhere, Ashley gets surprising assistance as she tries to uncover what Hanna’s been doing.
“A” begins tormenting someone new. Meanwhile, Spencer seeks solace from the drama within her family, so she turns to Wren and an opportunity opens for Ezra, but it may put distance between him and Aria.
The police confiscate Caleb’s computer, and Hanna worries that “A” planted something incriminating on it. Elsewhere, Aria uncovers a secret of Holden’s while her father expresses skepticism about their romance.