Our protagonist, a teenage girl, suffers from sleep paralysis. In the opening scenes, she has a dream about a traumatic event from her past. She then wakes up but finds things amiss in her house, indicating she is not alone. During one of her paralysis episodes while trying to escape the intruder, she wakes and realizes it may not have been a dream after all. The key dramatic moment comes when she discovers someone is in her house trying to harm her.