A screener at the British Board of Film Classification (BBFC), who has earned an unsavory reputation for being the strictest censor of violent films, begins to spiral out of control after viewing a low-budget horror with similarities to the disappearance of her sister.
The government cover-up of the causes behind a massive explosion in a futuristic UK metropolis spur photo journalist Jennifer Preston on to search for the truth and in the process blow open a paranormal phenomenon haunting the city.
Suffering from agoraphobia and believing she is being tormented by an alien entity, Caroline must distinguish between reality and mental illness. With the help of her therapist, she summons the strength to leave the confines of her home.
