Meg Hurley is haunted by nightmares containing messages from a woman who claims to be trapped inside her subconscious. Feeling trapped herself, in a job at a dysfunctional government office, Meg just wants the messages to stop. An unexpected idea for a machine intended to cure her consumes Meg's otherwise uneventful life. As the machine nears completion, her nightmares manifest themselves in the real world, sending Meg on a terrifying journey to uncover the true identity of the woman only she believes is real.