Caleb is thrown when his ex-girlfriend from Rosewood, Hanna (recurring guest star Ashley Benson), shows up in Ravenswood. Caleb finally has to clue Hanna in to some of what has been happening in Ravenswood when she shows up demanding to speak to Miranda about "stealing" him away. Luke and Olivia finally learn what really happened to their father and who was responsible. With the walls closing in around him, Dillon (recurring guest star Luke Benward) makes a drastic move. Plus, when Remy goes missing, the rest of "the Five" are desperate to rescue her, leading to an intense showdown with everyone's lives in peril.