While attempting to deal with the insomnia that has plagued him for a year, troubled factory worker Trevor Reznik (Christian Bale) begins receiving cryptic notes and having visions of a shadowy colleague. Rapidly shedding pounds due to fatigue, Trevor attempts to make sense of the strange occurrences with the help of a beautiful waitress (Aitana Sánchez-Gijón) and a kindly prostitute (Jennifer Jason Leigh). Mesmerizing, Hitchcockian thriller co-stars John Sharian, Michael Ironside.