Build a movie plot around this: What was it that reappeared on the wall? the blood stain
A:
The film begins with Marnie Watson (Famke Jannsen) being driven home in a New York City police car. She stands outside for a few seconds, before going in to the house. Shanks (Bobby Cannavale), the cop escorting her, tells her not to get used to fresh air. He lets her in to the hall, and Shanks tears off the police crime scene tape that had been left there. After they get inside, someone comes to fit her ankle bracelet, and they tell her she cannot move more than 100 feet from the detector in the hallway. Shanks treats Marnie quite badly, telling her she will remain in the house until her sentence is up. He tells her to clean up some blood from the wall, and that she will have lots of time to think about what she did. Marnie argues with him, telling him that if the police had taken her crime reports seriously, her husband would still be alive today. The cynical Shanks leaves with indifference.Later that day, Marnie takes all of her husband's pictures, and belongings, and puts them in her basement, where the detector goes off. She then paints over the blood in the wall. She calls the power company about having her power restored, and they tell her they can't make it until Monday, so she has to light some candles. Later that night, she is in bed, and hears footsteps, but it turns out to be a cat.She continues to hear the footsteps, and goes downstairs, where she finds a homeless man, and threatens to stab him if he doesn't leave. The next day, a local delivery boy, Joey (Ed Westwick) arrives, and brings her shopping over. He tells her he lives in the same street, and compliments her house. She tells him she needs him to come by regularly, and he says he will do it for the tips. Marnie watches him leave, with a look of lust in her eyes.Later that night, she is going upstairs, when the ghost of her husband, Mike Watson (Michael Pare) pushes her down the stairs. As she crawls to the front door, she sets the detector off. She stands up, and Mike lunges at her. Shanks arrives a short time later, and finds her...