Faced with the trauma of a brutal assault, young chemistry prodigy Sarah Mathis, grows desperate to expedite her healing process and agrees to the use of an unusual method of therapy that involves the latest form of artificial intelligence, Raptus.
When a romantic getaway to Paris takes a dark turn with the sudden disappearance of her boyfriend Tom aboard a train to the south of France, Alice is plunged into a web of intrigue and danger, uncovering shocking secrets about the man she thought she knew.