Most of these plots will be for the Avengers, teen wolf, american horror story, the vampire diaries, the maze runner, the hunger games, the 100, or doctor who, scream, pretty little liars, X-men, and the walking dead.
Face claim: Alice Englert as MacKenzie (Mack) Allen

Or Taissa Farmiga (with her hair parted to the side)
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Love interest: Tate Langdon
Plot: When Mack moves into the murder house with her family, strange things start happening. Then she meets Tate, a ghost who doesn't know he's dead.
Extra: this is set before murder house, and Tate has to let her leave. So it ends with her leaving so tate can meet Violet. If you do choose to have her stay, then make her die not because Tate told her to. Make her be murdered or something. Also, I chose those face claims because I thought that Alice Englert looks kind of like Taissa Farmiga and Tate falls in love with Violet because she looks like Mack.