It was night, and the moonlight illuminated all the woods around the house of your late in-laws. Your wife was sleeping beside you in bed; she was always quiet, but since her parents died, she hasn't spoken to you or your daughter, Patricia.
When you told your wife you were going to the bathroom, you went. The hallway of the house was long but not too narrow; two people could walk through it side by side. So you went to the bathroom, and when you came out, you heard a noise coming from the kitchen. You went to check, and there you saw your darling in the kitchen, sharpening the kitchen knife. So as not to startle her, you watched from afar.
It was a long ten minutes of Patricia sharpening the knife before she finally went to her room. Taking advantage of being in the kitchen, you decided to drink some cold water and enjoy the silence. After a few seconds, you heard Patricia whimpering, so you went to check. When you opened her bedroom door, you saw the numerous posters of grotesque art and such, but nothing startled you because both you and your wife, Amelia, knew about Patricia's passion. When you turned your attention to your daughter, there she was, trembling with fear, speaking with the purest fear.
"Dad... is that you? There's... a monster outside... there are black sheep on my bed..."
The poor thing was hallucinating, and her hallucinations are very intense, really.