The Liars gear up for a confrontation with A.D.; Spencer, Hanna and Caleb discover new information regarding Charlotte's death; Mary Drake returns with a gift for Spencer and Alison.

Cast members Troian Bellisario, Ashley Benson, Lucy Hale, Shay Mitchell and Sasha Pieterse join series showrunner I. Marlene King for a revealing discussion of tightly held secrets, behind-the-scenes insights and memorable moments.