In the mysterious world of Parallel Time, Barnabas is once again a vampire. Writer William H. Loomis discovers Barnabas' secret and traps him inside a chained coffin. Young Daniel Collins becomes convinced that his deceased mother named Angelique is coming back. Quentin Collins is stunned when Alexis Stokes, Angelique's identical twin sister, arrives. Sabrina Stuart convinces everyone at Collinwood to participate in a seance to contact Angelique's spirit. She believes that someone at the seance murdered her. The ghost of Dameon Edwards starts haunting the mansion. Scientist Cyrus Longworth continues his laboratory experiments to separate the good and evil in man. Upon drinking a potion, he transforms into the sinister John Yaeger and terrorizes barmaid Buffie Harrington. Housekeeper Julia Hoffman learns a dark and deadly secret. Maggie Collins suspects that her husband Quentin may have been responsible for Angelique's demise.
Maggie realizes that Quentin’s son Daniel resents her. Will chains Barnabas in his coffin.
Daniel devises a plan to scare Maggie, who hears humming when Daniel speaks to Angelique's portrait.
Maggie buys a record for Daniel. Quentin is furious to hear “Ode To Angelique,” written by Bruno.
Alexis Stokes, Angelique's identical twin sister, arrives. Maggie and Quentin have an argument.
Bruno obtains Angelique’s address book and produces a deed to the cottage on the Collinwood estate.
Trying to learn the truth about Alexis, Bruno decides to open Angelique's tomb.
Alexis inquires about the seance at which Angelique died. Cyrus drinks a potion and collapses.
Carolyn and Cyrus find Sabrina at Collinwood preparing for a new seance.
At the seance, a spirit speaks through Sabrina and Alexis faints during the ceremony.
Cyrus learns about damage caused by John Yaeger. Daniel insists Alexis is really his mother.
Hannah Stokes promises to help Bruno. Her tarot cards reveal a startling revelation about Angelique.
Cyrus refuses to tell Horace Gladstone the purpose of his experiment.
Bruno panics when Quentin reports he saw the ghost of Dameon Edwards.
Dameon’s ghost appears to Bruno. Cyrus takes another potion and begins a transformation.
Yaeger has a fight at the Eagle Tavern and physically abuses barmaid Buffie Harrington.
At Cyrus’ laborartory, Yaeger is confronted by Quentin, who questions him about Cyrus.
Bruno tells Cyrus that he believes Angelique made Dameon’s spirit appear.
Alexis attempts to stop Quentin and Cyrus from opening Angelique’s tomb.
Angelique’s body is discovered perfectly preserved in her coffin.
Angelique drains the life from Alexis and switches places with her.
Yaeger assures Sabrina that Cyrus allows him to store items in the laboratory safe.
Hannah discovers the secret about her niece Angelique. David and Amy find Barnabas' portrait.
Trask, the butler, tells Dameon's ghost that Bruno was responsible for his murder.
Angelique, determined to banish the ghost of Dameon, begins a special ceremony.
Gladstone learns the secret about Cyrus’ mysterious experiments.
In the Parallel Time room, Quentin sees Elizabeth and Julia discussing Barnabas’ disappearance.
Daniel attempts to find the coffin of Barnabas and a seance is held to contact him.
Gladstone attempts to blackmail Cyrus. Yaeger appears and confronts Gladstone.
Yaeger discovers a hidden passageway and follows it to the Old House basement.
Will Loomis releases Barnabas from his coffin, guarding him carefully.
Quentin meets Barnabas. They later see Julia in the Parallel Time room.
Daniel recognizes Barnabas, who tries to make the boy forget they met.
In a rage, Quentin slashes Maggie's portrait and recalls his dream of the hanging man.
Angelique reveals her secret to Hoffman. Angelique's incantation causes Quentin to collapse.
Maggie returns and Quentin warns her it is not safe for her to stay at Collinwod.
Barnabas escapes, goes to Maggie's bedroom and bares his fangs in preparation to attack her.
Quentin comes home from the hospital and finds evidence of witchcraft in Maggie's suitcase.
Angelique suddenly feels icy cold and realizes she needs a victim for warmth to survive.
Angelique attacks Collins family lawyer Larry Chase and Barnabas bites Buffie.
Maggie has a bizarre dream in which Quentin is the murderer of Angelique.