When Barnabas sees a mysterious photograph with a silhouette of Victoria Winters hanging from the gallows, he decides he must go back in time to the year 1796 to save her. He attempts to change the course of history, but his efforts are threatened with the appearance of Angelique the witch, and once again Barnabas finds he is a victim of the vampire curse. In 1969, Carolyn Stoddard invites Chris Jennings to move into the caretaker's cottage on the Collinwood estate, unaware that Chris is harboring a dark and deadly secret. In the woods, Carolyn is attacked by a werewolf. Maggie Evans searches for David Collins in the abandoned west wing of Collinwood and is terrified to discover the ghost of Quentin Collins. Professor Stokes is summoned to exorcise the haunted mansion, which the Collins family is forced to abandon.
Barnabas decides that David and Amy should go on a trip to Boston with him and Maggie.
Mrs. Johnson believes Victoria wants to return from the past. A message convinces Barnabas to stay at Collinwood.
Joe is tormented by visions of Tom as a vampire and Chris as a werewolf.
An image of Victoria, hanging, appears in a photograph David takes of Barnabas and Carolyn.
Barnabas makes plans to travel back in time to prevent Victoria from being hanged.
Barnabas summons Peter Bradford to help him go back to the year 1796.
In 1796, Barnabas tells Ben Stokes that he plans to change history.
In 1796, Barnabas forces Nathan Forbes to sign a confession that he lied during Victoria's trial.
In 1796, Angelique promises to save Victoria, but later vows never to release Victoria from her spell.
In 1796, Natalie DuPres and Nathan prepare to destroy Barnabas.
In 1796, Barnabas pleads with Ben to chain him inside his coffin.
In 1969, Willie releases Barnabas from his chained coffin.
Carolyn convinces Chris Jennings to move into Matthew Morgan’s old cottage.
David locks Mrs. Johnson inside the cottage.
Maggie goes to the cottage as Chris is undergoing a transformation.
As Elizabeth lies paralyzed in her coffin, Carolyn hears her mother’s voice warning her.
While walking through the woods, Carolyn is attacked by the werewolf.
Barnabas informs Chris about the attack on Carolyn. Amy burns Chris’ blood-stained shirt.
Carolyn’s friend Donna visits and is attacked by the werewolf.
The sheriff takes Chris into custody and Barnabas attempts to provide an alibi.
Chris tells Barnabas of the night when he first changed into a werewolf.
The spirit of Quentin Collins poisons Chris. Julia and Barnabas find him unconscious.
Beth Chavez’s ghost warns Amy that Quentin is trying to poison Chris.
When David sneaks into the west wing at Collinwood, Maggie secretly follows him.
After Maggie punishes David, he threatens to get even. In the west wing, Maggie sees Quentin.
Maggie tells Elizabeth about her encounter in the west wing and returns there with Elizabeth.
Barnabas calls on Professor Stokes, who proposes a seance to contact the spirit of medium Janet Findley.
The ghost of Beth appears to Chris and shows him a place in the woods where a child’s coffin is located.
Barnabas contacts elderly jeweler Ezra Braithwaite to learn about the pentagram found in the child’s coffin.
Quentin’s ghost appears to Ezra, who realizes he is the same Quentin he knew at Collinwood as a young man.
Roger returns from a trip and learns that Barnabas has accused David of stealing Ezra’s record book.
When Chris begins to feel he is changing, Barnabas rushes him to the mausoleum secret room.
Ned Stuart tells Barnabas about his sister Sabrina, who was once going to marry Chris.
Quentin appears to David and causes him to feel as if he were on fire.
While Maggie searches for David and Amy, she hears Quentin’s maniacal laughter.
Quentin attacks Maggie. His vintage music is heard by Elizabeth and Mrs. Johnson.
Elizabeth and Julia are convinced that the children are possessed by a pair of ghosts.
Professor Stokes performs an exorcism on Collinwood, but Quentin sets the room on fire.
Everyone abandons Collinwood and Quentin’s laughter is heard echoing through the empty mansion.
David and Amy sneak into Collinwood and destroy the antique telephone used to communicate with Quentin.