As shown in Penny Dreadful's very first episode, Victor Frankenstein (Harry Treadaway) is not a man easily disturbed by the unnatural. He examined the corpse of an inhuman creature without so much as flinching, but will the possession of Vanessa Ives (Eva Green) in the upcoming episode of the Showtime series me too much for him?

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This Sunday, the characters of Penny Dreadful will literally find themselves fighting for soul of Ms. Ives. She has been possessed by "the devil," Sir Malcom (Timothy Dalton) and the others will try to do everything they can for her, but will it be enough?

In a clip released by Showtime, Ethan Chandler (Josh Hartnett) insisted that Frankenstein should help Miss Ives, to which he retorted cynically, "This is a bit beyond my usual practice."

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In another promotional clip, Frankenstein examined Miss Ives, calm and steady until she began quoting things he had said in confidence to another out loud. Her knowledge of this unnerved him, for it harkened back to his guilt over Caliban (Rory Kinnear).

It is both the physically contact with Miss Ives (she grabbed his hands in hers) and the mysterious reciting of his owns that put fear into the eyes of Frankenstein. When asked if he was afraid, Frankenstein claimed that he was not, and yet he abruptly left the room quite shaken.

Penny Dreadful airs on Showtime at on Sundays at 10:00 ET/PT.