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Eve tells Nicholas that she hates Adam and wants to kill him.
== Synopsis ==
Teaser
: On this night, a horrible memory has been mysteriously erased from a young woman's mind, and Barnabas Collins no longer lives with the threat of having the past exposed. But the time of terror at the Old House is not yet over, for the present and the future contain greater dangers than were ever known in the past.
Barnabas tells Julia about Maggie's escape from the mausoleum and mysterious memory loss after he and Willie went to visit her at her home. When Julia asks how Maggie escaped and how she had lost her memory. Barnabas reasons that someone made her forget, and only Nicholas Blair could have done this.
Act I
Barnabas and Julia continue their conversation. Barnabas reasons that Nicholas must have learned about Maggie from Cassandra and that he erased Maggie's memory in order to help Adam. Julia wonders if Professor Stokes has been successful in locating Adam and Eve. Barnabas hopes that the couple have left Collinsport for good. We switch scenes to discover Adam sitting in Nicholas' drawing room. Nicholas enters and asks Adam why he looks unhappy. Adam says he is wondering about what Prof. Stokes has said concerning Eve, but Nicholas reminds Adam that Prof. Stokes has always opposed the experiment. Adam also asks about Leona Eltridge and Nicholas explains that Leona was terminally ill and saw the experiment as a chance to continue living. Adam mentions the mysterious wind in the Old House after the experiment and Nicholas becomes obviously disturbed, but tells Adam not to worry and concentrate all his attention on making Eve happy. They have not observed Eve eavesdropping in the hallway.
Act II
In the drawing room, Eve acts impatient when Adam tries to cozy up to her. She tells Adam she does not like "this place" and Adam tells her Nicholas is planning on taking them away where no one will bother them and they will be happy together. Eve looks pleased until the last pronouncement. When Adam pushes the issue she gets upset and asks him to drop the subject. She suggest he go to bed and tells him she wants to be alone. Adam leaves and Nicholas enters and suggest they have a talk. Eve tells Nicholas she hates Adam, but would find him to be a good match. Nicholas humors her and gets her to say she would kill him, at which point he tells her she is truly evil and he likes that, but that he has no [romantic] interest in her and will "end her existence" if she does not win over Adam.
Act III
Prof. Stokes returns to the Old House and tells Barnabas and Julia that Adam is not at Collinwood. He speculates that Adam will not respond to him as long as he suspects that Eve's life force was supplied by Danielle Rogét. At the mention of Danielle's name the doors burst open again and a gust of wind blows out the candelabra. The bookcase opens and a book drops off the shelf. Stokes examines the volume which is "An account of the French Revolution" by Phillippe Cordier published in 1798. Stokes suspects that Phillipe is trying to contact them and suggest a séance.
Act IV
Stokes, Hoffman, and Barnabas hold a séance and Phillipe Cordier possesses Barnabas. He tells that he was the lover of Danielle Roget and he is angry that she has been taken from him. He tells them that her spirit was there, but now it is in a House by the sea. His spirit vows to avenge Danielle's honor and kill the man who claims he loves her. Stokes tells Barnabas that this proves that Danielle Roget's spirit is Eve's life force. Back at Nicholas' place, Adam apologizes to Eve with Nicholas present. Eve suddenly becomes distressed and the front door burst open. She screams that someone in the house is about to die and runs away. Just then Adam begins to feel himself being choked, which, over in The Old House Barnabas also feels.
== Memorable quotes ==
: Nicholas: (to Eve) If you're going to tear the furniture apart, I can get you something, uhm, much more practical than a letter opener.
== Dramatis personae ==
* ← Jonathan Frid as Barnabas Collins →
* ← Grayson Hall as Julia Hoffman →
* ← Thayer David as Timothy Eliot Stokes →
* ← Robert Rodan as Adam →
* ← Humbert Allen Astredo as Nicholas Blair →
* ← Marie Wallace as Eve →
== Background information and notes ==
=== Production ===
* First episode narrated by Marie Wallace.
=== Story ===
* Phillippe Cordier published an account of the in 1798.
* This is the first episode after Adam and Eve move into Nicholas' house by the sea. How they got there is never explained.
* GHOSTWATCH: Professor Stokes, Barnabas, and Julia hold a seance to contact Philippe Cordier, who speaks through Barnabas. At the house by the sea, Eve senses a presence, which causes Adam to choke.
* TIMELINE: It's barely 24 hours since the experiment was completed.
== Bloopers and continuity errors ==
* Jonathan Frid has some trouble with his lines at the very beginning of the episode.
* Barnabas and Julia agree that Nicholas must be responsible for Maggie's loss of memory; however, it is never revealed if this was indeed the case. [Addendum: It seems pretty obvious that Nicholas did it.]
* At the beginning of Act 1, there’s a blue spot reflected in the lens of one of the cameras. It stays visible through the first scene.
*Barnabas seems to say, "Let's just hope that what we suspect isn't true: that Adam and his mate have left and gone far away from here by now", but that isn't what he and Julia want to happen. This would appear to be a flubbed line on Jonathan Frid's part.
*In Act I, when Adam tells Nicholas something else is bothering him and Nicholas is fiddling with books, there is a lot of off-stage noise.
* Marie Wallace's real eyebrows are visible under a coating of matte makeup, with Eve's eyebrows painted on higher up.
* Professor Stokes tells Barnabas and Julia, “I went to the place where Adam’s been hiding for the last few months," as if he's trying to avoid telling Barnabas and Julia exactly where that it is. But two episodes ago, Carolyn was angry that Stokes had told Barnabas where she was keeping him. 
* The ghost fails to blow out a single candle on the first try, and Thayer David has difficulty snuffing the candles out with a candle snuffer.
* Someone from off-stage can be heard blowing out the candle during the seance.
* After the seance and as Barnabas, Professor Stokes, and Julia are discussing what happened, there is a loud knocking noise from off-stage.
* After the seance, when the scene switches to Adam and Eve, Adam is speaking, but the mic had not been turned on yet, and the first few words Adam says cannot be heard.
* As Adam and Eve are talking in the last act, there is a lot of off-stage noise.
* In Act III, when Eve stands up because she senses Phillippe Cordier in the room, the "spirit music" seems to start too late.
==External Links ==
Dark Shadows - Episode 600 on the IMDb
Dark Shadows Every Day - Episode 600 - The Mate That Fate Had Me Created For
The Dark Shadows Daybook - Episode 600
== Gallery () ==
600c.jpg|Evesdropping
600y.jpg|Barnabas & Stokes
600zb.jpg|Eve in Distress
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