Set in the fictional town of Ravenswood, Pennsylvania, the series followed five strangers whose lives become intertwined by a deadly curse that has plagued their town for generations. They have to dig into the town's dark past to solve the mysterious curse.
Caleb Rivers (Tyler Blackburn), Caleb meets Miranda on the bus to Ravenswood where he's going to help his girlfriend, Hanna Marin. After Hanna meets Miranda and hears her story, she asks Caleb to stay in Ravenswood to help Miranda. She promises to visit Caleb from time to time, this could possibly mean a mixed double episode between Pretty Little Liars and Ravenswood. Caleb finds a tombstone bearing his name and picture in the town cemetery and vows to stay until he figures out what it means.
Miranda Collins (Nicole Gale Anderson), she meets Caleb on a bus to Ravenswood where she's going to find her uncle, Raymond Collins, her last remaining relative. Walking into the her uncle's house, she helps Hanna escape unknowing that she is Caleb's girlfriend. Miranda also finds a tombstone with her name and picture on it. Miranda died in the car accident when the car crashed into the water but her ghost is still here. Only Caleb and the others affected by the curse can see her.
Raymond Collins (Steven Cabral) is Miranda's uncle and runs a funeral home. He sent Miranda into foster care when her parents died over 10 years ago. Miranda comes to Ravenswood to find him.
Luke Matheson (Brett Dier), ia Olivia's twin brother and Remy's boyfriend. Luke doesn't trust his twin sister's friends, and vows to protect both his mother and sister as the head man in their family.
Olivia Matheson (Merritt Patterson) is Luke's twin sister. Olivia is more out in the open than her brother, she cares about what people think of her mother but that doesn't stop her from living her life. Olivia formerly dated Dillion but the relationship ended after Olivia found out he killed her father.
Remy Beaumont (Britne Oldford) works at the Ravenswood Gazette, the town newspaper, where her father is the editor in chief and helps Caleb find the death record of his lookalike. Remy is Luke's girlfriend and is the first to discover a theory of the curse.
Meg Foster as Carla Grunwald. She is described as a no-nonsense, stubborn 60-year-old resident of Ravenswood. She used to be a house mother for a college. She reprises her role from Pretty Little Liars.
Luke Benward as Dillon Sanders, Olivia's ex-boyfriend. In the season 1 finale, he was revealed as the killer of Olivia's father and he is hit by a train at the end of the episode.
Henry Simmons as Simon Beaumont, Remy's father that is distrustful of out-of-towners.
Sophina Brown as Terry Beaumont. Terry is Remy's mother and is in the military and she just arrived home from it. She will be struggling with survivor's guilt. Like the previous survivors, Terry could be the reason for her own daughter's near death.
Haley Lu Richardson as Tess, Olivia's former best friend and is not involved in the curse. Tess stakes her claim on the queen bee position with Olivia off the throne.
Laura Allen as Rochelle Matheson, Luke and Olivia's mother. She is described as a confident woman and is now the main suspect in her husband's murder.
On April 30, 2013, it was revealed that Tyler Blackburn would reprise his Pretty Little Liars role as Caleb Rivers in Ravenswood. On May 6, 2013, it was revealed that Brett Dier and Elizabeth Whitson will play twins, Abel and Olivia, in the series. It was later stated that the character of Abel had been renamed Luke. On May 7, 2013, it was announced that Merritt Patterson would join the show as Olivia's best friend, Tess. On May 10, 2013, it was announced that Nicole Gale Anderson would join the show as Miranda. In May 2013, it was announced that Meg Foster would join the cast as Mrs. Grunwald, resident of Ravenswood, making her first appearance in season 4 episode 6 of Pretty Little Liars. On July 16, 2013, it was announced that Merritt Patterson would be replacing Elizabeth Whitson in circular role of Olivia. Whitson has now departed Ravenswood, and Patterson has changed roles. In August 2013, it was announced that Steven Cabral joined the cast as Raymond Collins, Luke Benward joined the cast as Dillon, Henry Simmons joined the cast as Simon Beaumont, Sophina Brown joined the cast as Terry Beaumont, Haley Lu Richardson joined the cast as a replacement for Patterson's former role as Tess and Danielle Campbell joined the cast as Hayley. On August 27, 2013, it was announced that Justin Bruening joined the cast as Benjamin Price. In October 2013, Jay Huguley was announced joined the cast as Chief Tom. In November 2013, Mary Elise Hayden joined the cast as Bea Hamilton.
When Miranda and Caleb arrive at Ravenswood,they find tombstones with their names and pictures on. Miranda goes after her uncle to find some answers about her past and her parents. Meanwhile, Olivia and Luke, who lost their father have to support their mother because the people in the city think she killed him. When Caleb meets Remy, he asks for help about the tombstones which Remy accepts. Caleb, Miranda and Remy find out part of the story behind their tombstones. In the final scene, Remy drives Caleb, Miranda, Olivia and Luke over a bridge. Miranda sees the same figure (ghost:) she has seen during the episode causing a distraction so the car veers off the bridge into the water.
After the accident, the doctors couldn't save Miranda and she passes away. Right after her death, Caleb starts seeing Miranda which he thinks are just dreams. Luke shows Olivia a letter which he finds and he thinks their mother was cheating on their father. Caleb then looks to take Miranda's things from Remy's car and he asks her for help. When the two take Miranda's bag they are chased by a dog but Luke appears to save them. Miranda's uncle asks Caleb to stay with them in the house, which he accepts. Meanwhile, Olivia is crowned Homecoming Queen and when she goes to the photoshoot she realize that Tess is dating Springer. Remy nearly gets killed when she sleepwalks again. In the final scene, Miranda explains to Caleb why and how he is seeing her and that she died way back in the ambulance.
After Miranda's funeral, Caleb tells Remy, Luke and Olivia that he has seen her. The four decide that it's time for them to stick together for their safety. Miranda's uncle allows Caleb to stay in the guest house. The five teens call the spirit of a dead person who provides them with some answers. At the close of the episode all of them are able to see Miranda who is mysteriously glowing.
Since Luke was still unnerved by what he witnessed during the séance, he searched for something that would distract himself. However he realizes there may be no escape from what's haunting the group. Luke is surprised to find common ground with Tess when they work on the play together. Olivia bonds with Miranda and is surprised to discover their families may have a shared history. Caleb meets a long-lost relative in the hopes of better understanding his current situation, but is caught between new and old loyalties when he struggles to share what's happening in Ravenswood with his girlfriend, Hanna. And Miranda thinks she may have finally found what she has been searching for, her mother.
Caleb is trying to find Miranda but hits a dead end when the address he is given turns out to be an empty lawn. Remy wakes up in the basement of an old building where a couple is said to have buried themselves behind a wall in hopes of resurrecting the original Caleb and Miranda. The group finally arrives at the right address to save Miranda last minute before the building collapses. It turns out that a little girl in red and Olivia's boyfriend (Dillon) are behind the plot against the group.
Caleb attempts to make sense of the time he spent with Miranda; Meanwhile, Miranda seeks answers from Mrs. Grunwald, Remy's dreams take a turn in attracting the attention of a dangerous being; Olivia fails to see Dillon's true intentions.
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Miranda gains insight on Grunwald when she meets Beatrice "Bea" Stevens (Mary Elise Hayden), Grunwald's mother who died at age 17, Caleb's father comes to Ravenswood after their last living relative dies leaving his father a house. Remy's sleep walking takes an ugly turn by harming her father. Tess reaches out to Olivia. Olivia Ties of events from past and present come undone.
Remy seeks help at a sleep clinic after harming her father in her sleep. Miranda discovers new consequences for leaving the Collins' house after breaking the jar. Caleb seeks a lesson in Ravenswood town history from Mr. Price.
Hanna shows up and demands Caleb tell her the truth about what has been happening in Ravenswood. Meanwhile, Luke and Olivia discover that truth about what happened to their father and Remy goes missing. Hanna meets Max, who she saw previously. Miranda's uncle attempts to save them by releasing the original Caleb Rivers who believes Miranda is the original Miranda.
Television critic David Hinckley of the New York Daily News gave the show 3 out of 5 stars saying that the show is entertaining but creepier than the parent show. Scott D. Pierce of The Salt Lake Tribune said the show is ridiculous, but might be fun. Margaret Lyons of New York Magazine Vulture claims the show only meets generic expectations and needs to show us more than cheap fright-gags if it wants to avoid cancellation. However, on February 14, 2014 ABC Family announced that Ravenswood would not be returning for a second season.