Haunted by family bereavement, Sam Hartwell, a loner, escapes to New York City to start anew, where he meets a mysterious girl in the dead of night. Titillated by her advances, Sam allows their relationship to sink deeper, where nightmares begin plaguing his sleep, hallucinations twist through his mind, and memory lapses blur the line between reality and illusion. Is loneliness driving him to madness, or are darker forces at play?