Caleb struggles in the aftermath of what happened at the Ravenswood Homecoming Parade. Remy begins to draw troubling parallels between recent events and painful chapters in Ravenswood history. Luke bristles at Caleb’s presence, especially around Remy. And Miranda can’t quite grasp her new reality. Meanwhile, Luke tries to make Olivia face some hard truths about their parents. And Caleb comes face to face with the last person he ever expected to see.

Luke is unnerved by events from the seance. Olivia learns her and Miranda's families share a history. Caleb encounters a long-lost relative. Remy and Caleb probe a new clue about the town's past.

Mr. Price inadvertently sends Caleb and Miranda on a quest to investigate a secret Collins has been keeping, but it leads them to some startling insight about the pact. With questions about Dillon swirling, Olivia is confused when he finally shows up to help her through her latest crisis. And Remy and Luke are determined to prove that Dillon has been hiding something, which puts Luke in danger. Meanwhile, Caleb starts school in Ravenswood and Miranda tries to keep him company, leading to an awkward incident.

After opting to stay in Ravenswood to help out new pal Miranda, Caleb begins to rethink his decision, especially after he meets Miranda's cold and unwelcoming uncle Raymond. Caleb also has some unpleasant interactions with local resident Luke, who is struggling to deal with a recent family tragedy and its ensuing scandal, which has also swept up his twin sister Olivia.

Fresh off his trip to Rosewood, Caleb struggles to deal with the aftermath of his brief time with Miranda on the other side. Remy realizes her dreams may be the best clue they have into understanding the pact, but she unwittingly attracts something that is determined to make sure Remy doesn’t wake up. And Miranda decides to haunt Mrs. Grunwald for answers but discovers Grunwald may have a ghostly friend of her own. Meanwhile, Luke and Olivia are unnerved by Collins’ increasing attention towards their mother, and Olivia makes a major decision about Dillon, without realizing his true motivations.

The Ravenswood Police descend on Luke and Olivia’s house after something with ties to events in both the past and present is unearthed. Caleb’s father decides to find out what his son is up to in Ravenswood, and Caleb is unsure if he wants his help, or if he wants him to get out of town. Remy continues to deal with lingering effects of what she witnessed in her dreams. Meanwhile, Olivia tries to keep it together in the wake of recent happenings, and Miranda gains surprising insight into Grunwald and her connection to the supernatural.

When Remy goes to a sleep clinic in the hopes of finally getting some rest, she learns her dreams about the mysterious pact may have started before she even realized. However, it soon becomes apparent that the clinic may be the least safe place for Remy to be. Olivia discovers some new information about Springer and starts to wonder if he knows about the pact. And Caleb turns to Mr. Price for a lesson in Ravenswood town history. Meanwhile, Miranda struggles with her place within the group and discovers new consequences for leaving the Collins house.

Luke is resistant when Caleb and Remy try to convince him that Ravenswood is being plagued by the supernatural. To convince him, they decide to try and contact the "other side." Olivia begins her own investigation into her father's death, which turns much more sinister than she was expecting. Remy grows more concerned about her mother, who recently returned from Afghanistan. And while Miranda continues to yearn for a connection to her family, she begins to feel like someone, or something is watching her. Meanwhile, everyone gathers for a somber event, and Mr. Collins and Miranda both offer Caleb a reason to stay in Ravenswood.

Just when Caleb thought he was getting answers to what may be haunting Ravenswood, he hits a dead end and is left with more questions. Miranda tries to prove that she’s where she wants to be, but Caleb senses she’s in grave danger. Remy unwittingly uncovers a major clue into the how to break the curse, but further investigation leads to a truly haunting scene. Meanwhile, Caleb tries to reassure Hanna, Luke tries to get on the same page with Remy, and Olivia strives to reconnect with Dillon.

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 makes a drastic move. And 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.